1996A&A...312..439W

Query : 1996A&A...312..439W

1996A&A...312..439W - Astronomy and Astrophysics, volume 312, 439-454 (1996/8-2)

New weak-line T Tauri stars in Taurus-Auriga.

WICHMANN R., KRAUTTER J., SCHMITT J.H.M.M., NEUHAEUSER R., ALCALA J.M., ZINNECKER H., WAGNER R.M., MUNDT R. and STERZIK M.F.

Abstract (from CDS):

On the basis of the ROSAT All-Sky-Survey, a study of the Taurus-Auriga star forming region has been performed in order to search for hitherto undiscovered TTauri stars. Our study covers an area of about 280 square degrees, located between 4h and 5h in right ascension and between 15deg and 34deg in declination. Identification of ROSAT All-Sky Survey sources in this area by means of optical spectroscopy revealed 2 new classical T Tauri stars (CTTS) and 66 new weak-line-T Tauri stars (WTTS) with Wλ(Hα)≤10A. Additional pointed ROSAT observations led to the identification of 6 more WTTS and 2 CTTS, giving a total of 76 new T Tauri stars. The large area of our study, as compared with previous works, allows us to study the spatial distribution of WTTS in this star forming region. We find the WTTS of our survey to be distributed over the whole region investigated. There is a noticeable decline of the surface density from south to north within our study area, but the spatial distribution extends most probably beyond our study region. No clustering towards the population of TTauri stars known prior to ROSAT in Taurus-Auriga could be observed. We suggest that the WTTS found in our study might in part be somewhat older than the previously known TTauri stars in Taurus-Auriga, and that their broad spatial distribution is due to the typical velocity dispersion of a few km/s measured for Taurus TTauri stars, in which case for some of our WTTS an age on the order of 107years would be required for reaching the observed distances from the Taurus dark clouds. We estimate a WTTS/CTTS ratio of about 6 within our study area, but conclude that because of the different spatial distribution of WTTS and CTTS this ratio will be most probably significantly larger for a more extended area.

Abstract Copyright: ∼

Journal keyword(s): stars: formation - stars: late-type - stars: pre-main sequence - X-rays: stars - surveys

VizieR on-line data: <Available at CDS (J/A+A/312/439): figures5 (PostScript)>

Nomenclature: Table 4: [WKS96] NN (Nos 1-76). Tables 4, 5: [WKS96] RX JHHMM.m+DDMMA N=8.

CDS comments: table 1: Leer 1 is the title of a pointed ROSAT observation towards a field devoid of known T Tauri stars (leer = empty in German).

Simbad objects: 222

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Number of rows : 222
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 HD 285281 TT* 04 00 31.0706486828 +19 35 20.913765172   11.34 10.167 9.74 9.011 K1 40 0
2 HD 285372 TT* 04 03 24.9515332104 +17 24 26.050752144   13.17 11.60 11.22   K3V: 39 0
3 UCAC2 40468740 * 04 03 54.4433948352 +24 47 21.001518816       11.11   K4 3 0
4 HD 283323 TT* 04 05 12.3477785160 +26 32 43.833558408   12.26 11.64     K2 28 0
5 V* V1298 Tau TT* 04 05 19.5909996648 +20 09 25.563233736   11.11 10.12 9.57   K1 130 0
6 V* V1299 Tau Ir* 04 05 40.5850046784 +22 48 11.800275120   9.99 9.39     G3V: 52 0
7 HD 284149 TT* 04 06 38.7981157344 +20 18 11.151888084   10.21 9.63     F8 53 0
8 V* V1195 Tau TT* 04 06 51.350976 +25 41 28.26924   13.27 11.88 11.37 10.021 K6.5 30 0
9 V* V949 Per RS* 04 07 53.32 +33 56 04.6   12.64 11.43 10.65   K3 6 0
10 V* V1302 Tau RS* 04 07 54.0012439583 +17 50 25.833810665   11.9 11.554 10.8 10.387 K4 25 0
11 V* V1196 Tau TT* 04 08 12.9971505648 +19 56 39.262847784           K2 30 0
12 HD 281691 TT* 04 09 09.7467974736 +29 01 30.302914008   11.48 10.68 10.24   G8III 49 0
13 V* V1304 Tau TT* 04 09 16.9997169624 +17 16 08.226733044   14.58 13.20     M1 26 0
14 PM J04093+1759 Er* 04 09 18.2419588200 +17 59 55.226014800   13.8 12.625 12.336   K8 6 0
15 V* V1306 Tau TT* 04 09 51.1327776576 +24 46 21.070702524   14.72 13.30     M1 32 0
16 ATO J062.8197+22.2562 Em* 04 11 16.6587408840 +22 15 22.739229252           K8 5 0
17 UCAC4 567-009659 PM* 04 11 21.0401059608 +23 23 08.868629004   14.693 13.367 13.055   ~ 6 0
18 V* V1307 Tau TT* 04 12 50.629008 +19 36 57.76200   13.87 12.58 12.59   K6 28 0
19 V* V1198 Tau TT* 04 12 51.2176349400 +24 41 44.199615228   12.97 12.57 12.355   G9 24 0
20 HD 285579 TT* 04 12 59.8845953784 +16 11 48.196387968   11.92 11.12     G0 22 0
21 2MASS J04132177+1810241 TT* 04 13 21.7817145360 +18 10 24.191126004           M3.5 11 0
22 2MASS J04132729+3352416 TT* 04 13 27.2986839120 +33 52 41.640539052           K0 6 0
23 Cl* Melotte 25 LH 279 * 04 14 30.2311761480 +17 42 44.405572572   16.32 14.78     M3.5 8 0
24 HD 284266 TT* 04 15 22.9214409240 +20 44 16.917956484   11.20 10.51 10.12   K0V: 44 0
25 HD 26874 SB* 04 15 42.4369942872 +20 49 11.272969020 8.790 8.510 7.810     G4V 91 0
26 V* V952 Per TT* 04 15 51.3743941320 +31 00 35.849672892   13.25 12.36     G6 18 0
27 2MASS J04160235+3325301 Ro* 04 16 02.36 +33 25 30.2     13.374     M2 8 0
28 2MASS J04162725+2053091 TT* 04 16 27.2447467272 +20 53 09.237731208   18.6   16.8 14.9 M5 25 0
29 2MASS J04162791+2053285 TT* 04 16 27.9030355608 +20 53 28.618219644           M5 10 0
30 RX J0416.5+2053 X 04 16 30.2 +20 53 07           ~ 2 1
31 2MASS J04163478+2456210 * 04 16 34.7907167736 +24 56 20.994468468           M5 3 0
32 RX J0417.3+2054 X 04 17 23.5 +20 54 33           ~ 1 0
33 HD 284336 PM* 04 17 26.9374259712 +20 33 17.530724736   10.7 9.5     K5 8 0
34 V* CY Tau Or* 04 17 33.7284990744 +28 20 46.812121656 14.52 14.68 13.40 12.59   M1.5 270 0
35 RX J0417.6+2042 X 04 17 38.5 +20 42 39           ~ 1 0
36 V* V1312 Tau TT* 04 17 38.9450182296 +28 33 00.578450700   15.57 13.26 13.12   M2 104 0
37 IRAS F04147+2822 TT* 04 17 49.6577031384 +28 29 36.318234912           M3.7 78 0
38 HD 284338 PM* 04 18 20.7268534608 +20 21 37.976454972   11.83 10.48 10.057   K7V 18 0
39 2E 968 * 04 18 27.4 +14 58 22           M3.5 1 0
40 V* V410 Tau Or* 04 18 31.1081296680 +28 27 16.155955728   12.13 10.75 8.45 9.408 K3Ve 462 0
41 V* DD Tau Or* 04 18 31.1289436392 +28 16 29.148496644 15.94 15.49 14.10 13.76   M3.5e+M3.5e 196 0
42 V* CZ Tau Or* 04 18 31.5898864272 +28 16 58.150241544 15.96 16.60 15.70 14.77   M2 142 0
43 RX J0418.6+2047 X 04 18 37.8 +20 47 07           ~ 1 0
44 RX J0418.7+2832 X 04 18 42.4 +28 32 16           ~ 1 0
45 V* V1023 Tau Or* 04 18 47.0291197872 +28 20 07.493080560   14.31 12.00 11.21   K7 161 0
46 RX J0418.8+2833 X 04 18 52.5 +28 33 02           ~ 1 0
47 V* V893 Tau BY* 04 18 57.9745736544 +19 54 24.124484232   9.345 8.597 8.192 7.829 G9V 150 0
48 RX J0419.1+2023 X 04 19 06.8 +20 23 11           ~ 1 0
49 V* FQ Tau Or* 04 19 12.812616 +28 29 32.98128       15.00   M3 113 0
50 V* BP Tau Or* 04 19 15.8339827632 +29 06 26.926959492   13.13 12.12 11.89   K5/7Ve 664 0
51 RX J0419.2+2751 AG? 04 19 16.1259629064 +27 50 48.134554872           ~ 7 0
52 2MASS J04192011+3034225 * 04 19 20.1216263760 +30 34 22.488129048           M3 3 0
53 * 53 Tau a2* 04 19 26.0975894496 +21 08 32.298968148   5.413 5.482     B9Vsp 270 0
54 WK81 1 TT* 04 19 26.2675117776 +28 26 14.259575472   14.81 13.04 12.240   K7 225 1
55 2MASS J04192710+2808157 TT* 04 19 27.1184296080 +28 08 15.729197244           G9 10 0
56 V* V1070 Tau Or* 04 19 41.2688488305 +27 49 48.151086734   13.75 12.25 11.14   M0 152 0
57 V* V1315 Tau RS* 04 19 53.7051212112 +30 09 53.823002292   12.50 10.92 10.13   K0 9 0
58 HD 27406 BY* 04 20 12.9666179232 +19 14 00.518450172   8.016 7.444 7.131 6.826 F9V+ 196 0
59 RX J0420.3+2817 X 04 20 22.8 +28 17 54           ~ 1 0
60 V* V652 Per TT* 04 20 24.1154560224 +31 23 23.688448692   13.54       K4 23 0
61 2MASS J04204982+3009155 TT* 04 20 49.8181075848 +30 09 15.263958276     14.74     K7 15 0
62 RX J0421.3+2747 X 04 21 19.0 +27 47 00           ~ 1 0
63 RX J0421.3+2750 X 04 21 19.0 +27 50 37           ~ 1 0
64 RX J0421.4+2829 X 04 21 27.3 +28 29 52           ~ 1 0
65 RX J0421.5+2029 ** 04 21 31.995744 +20 29 28.41612   15.56 14.00 13.79   M3.5 4 0
66 V* DE Tau Or* 04 21 55.6347850824 +27 55 06.184016436 15.18 15.13 13.80     M3Ve 258 0
67 V* RY Tau Or* 04 21 57.4092550080 +28 26 35.555316612 10.82 10.34 9.30 9.67 8.87 K1IV/Ve 704 1
68 HD 283572 Or* 04 21 58.8484815456 +28 18 06.512641416   9.80 9.03 9.14   G5IVe 286 0
69 V* T Tau TT* 04 21 59.4319873992 +19 32 06.432393336   11.22 10.12 9.80   K0IV/Ve 1404 1
70 EM* LkCa 21 Or* 04 22 03.1470550272 +28 25 39.096067656   10.94       M3/4Ve 90 0
71 2MASS J04220496+1934483 TT* 04 22 04.9620264720 +19 34 48.392208264           M3.5 29 0
72 LP 415-636 Er* 04 22 08.2467305544 +19 15 21.911057100   12.67 12.55 12.86   M3.0 25 0
73 RX J0422.1+2804 X 04 22 08.4 +28 04 27           ~ 1 0
74 QSO B0419+19 BLL 04 22 18.6125654952 +19 50 46.908625740       18.6   ~ 84 0
75 RX J0422.4+2809 X 04 22 26.4 +28 09 12           ~ 1 0
76 2MASS J04223680+2541599 * 04 22 36.8114606568 +25 41 59.811804600           K4 3 0
77 2MASS J04225744+2310466 TT* 04 22 57.4421239416 +23 10 46.655396148           K1 5 0
78 RX J0423.2+2736 X 04 23 15.45 +27 36 08.0           ~ 1 0
79 HD 285751 TT* 04 23 41.3220021720 +15 37 54.899671728   12.42 11.56     K2V: 44 0
80 V* V1317 Tau BY* 04 23 47.6004462888 +29 40 38.090786016   12.67 11.93 11.52   K2 8 0
81 RX J0424.4+2746 X 04 24 25.5 +27 46 47           ~ 1 0
82 V* V1201 Tau TT* 04 24 48.1541789688 +26 43 16.062986712   13.53 11.26 10.88   K1 43 0
83 HD 283641 TT* 04 24 49.0452856368 +26 43 10.395844176   12.41 11.42     K0 39 0
84 HD 27901 PM* 04 24 57.1275623016 +19 02 31.232746428   6.354 5.965 5.736 5.506 F4V 132 0
85 HG 7-204 Er* 04 25 14.5630726896 +18 58 24.903707808   14.23 12.728 12.445   M1.7 43 0
86 HD 27990 SB* 04 25 47.5862729819 +18 01 01.895505133   9.928 8.989 8.469 8.011 K2V 102 0
87 HD 27989 BY* 04 25 51.72716 +18 51 50.6155   8.219 7.527     G4V 185 0
88 2MASS J04262154+1836307 Er* 04 26 21.5572432056 +18 36 30.418188012           M3 7 0
89 RX J0426.8+1851 * 04 26 50.5 +18 51 03           K4 1 0
90 RX J0426.8+1827 X 04 26 53.6 +18 27 39           ~ 1 0
91 RX J0426.9+1819 X 04 26 54.4 +18 19 38           ~ 1 0
92 RX J0426.9+1836 X 04 26 59.9 +18 36 09           ~ 1 0
93 AG+18 339 Y*O 04 27 05.9787842904 +18 12 37.200405492   9.09 8.73     G5 36 0
94 HD 285778 Or* 04 27 10.5694045464 +17 50 42.660831084   11.07 10.22     K1e 134 0
95 2MASS J04275144+1850487 * 04 27 51.44 +18 50 48.7   16.0       M2 5 0
96 HD 285766 SB* 04 27 58.9605714552 +18 30 01.016034552   11.150 10.129     K2 45 0
97 HG 7-224 Er* 04 27 59.2152573288 +18 45 32.668898760   15.82 14.22     ~ 27 0
98 * eps Tau ** 04 28 37.0002551195 +19 10 49.563140930 5.42 4.54 3.53     G9.5IIICN0.5 591 1
99 V* V1103 Tau BY* 04 29 01.0133482776 +18 40 25.322063340   14.751 13.310 12.982   M2.5V 48 0
100 2MASS J04290824+2421265 Er* 04 29 08.2621280856 +24 21 26.490908736           K7 7 0
101 HD 28394 SB* 04 29 20.5589466330 +17 32 41.834829803   7.512 7.007 6.724 6.434 F8V 137 0
102 HD 285773 BY* 04 29 31.6063777896 +17 53 35.460179628 10.28 9.761 8.934 8.486 8.093 K0V 201 0
103 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1357 0
104 V* UX Tau A TT* 04 30 03.9932216088 +18 13 49.469925504   12.92 11.15     K2Ve 356 0
105 V* UX Tau Or* 04 30 03.99626 +18 13 49.4355 11.23 11.84 10.80 9.83 9.05 K2Ve+M1Ve 355 0
106 V* V484 Tau Er* 04 30 23.9615609304 +17 29 58.977071268   16.07 14.52 14.36   M3.5 36 0
107 2MASS J04303153+3003159 * 04 30 31.5363301944 +30 03 15.884215524           K0 3 0
108 V* V925 Tau Er* 04 30 38.1984189576 +22 54 28.821850848   14.68 13.015 12.563   M3e 29 0
109 V* V1319 Tau TT* 04 30 49.1855896920 +21 14 10.654195380   11.07 10.24 9.82 9.465 G8 36 0
110 HH 28 HH 04 31 06.8 +18 03 28           ~ 94 0
111 HD 284496 TT* 04 31 16.8584671848 +21 50 25.246186044   11.59 10.795 10.36 9.837 G0 39 0
112 2MASS J04312405+1800215 TT* 04 31 24.0577715784 +18 00 21.456961776   20.38 18.678   14.32 M7 73 0
113 HD 285845 Or* 04 31 25.1383575216 +18 16 16.731197940   11.06 10.31     G5 33 0
114 HBC 392 Or* 04 31 27.1761425664 +17 06 24.744279276   13.71       K5e 74 0
115 ATO J067.8768+20.5938 TT* 04 31 30.4248709728 +20 35 38.432761548           ~ 13 0
116 HD 28634 SB* 04 31 37.1140625232 +17 42 35.045618328   10.515 9.517 9.43   K2V 85 0
117 V* HL Tau Or* 04 31 38.5107609312 +18 13 57.859747968   15.89 14.49 14.39   K5 1424 0
118 IRAS 04287+1807 mul 04 31 38.8 +18 13 57           ~ 796 0
119 V* XZ Tau Or* 04 31 40.0868968022 +18 13 56.642439056     10.40 13.12   M2e+M2e 444 1
120 GSC 01269-00771 * 04 31 43.8146624472 +17 47 26.236741380     12.5     G8 7 0
121 1RXS J043145.7+145030 * 04 31 46.0472360304 +14 50 41.730943128           M0 3 0
122 V* V710 Tau Y*O 04 31 57.79 +18 21 37.9           ~ 160 0
123 V* V710 Tau A TT* 04 31 57.8028713880 +18 21 34.732161936       13.87   M2/3e 169 0
124 LP 415-187 ** 04 32 07.95 +17 39 52.3   16.82 15.25 15.02   M2 24 0
125 L 1551-51 Or* 04 32 09.2839413744 +17 57 22.693472640   13.29       K7e 133 0
126 RX J0432.1+1818 X 04 32 10.9 +18 18 08           ~ 2 0
127 V* V827 Tau TT* 04 32 14.5700738928 +18 20 14.771601168   14.00 12.63 12.35   K7Ve 173 0
128 RX J0432.2+1812 X 04 32 15.0 +18 12 58           ~ 1 0
129 V* V826 Tau TT* 04 32 15.8393134800 +18 01 38.750623752   13.51 12.074   10.312 K7.0 175 0
130 HZ 9 WD* 04 32 23.7569977200 +17 45 02.672275356   14.28 13.93 14.21   DA3+dM 149 0
131 RX J0432.4+1724 X 04 32 27.9 +17 24 21           ~ 1 0
132 Cl* Melotte 25 VA 674 PM* 04 32 28.9806260592 +17 54 16.701872148   17.07 15.46 15.11   ~ 29 0
133 RX J0432.4+1814 X 04 32 29.6 +18 14 10           ~ 3 0
134 V* GG Tau Or* 04 32 30.3506925552 +17 31 40.494063144 14.84 14.78 13.40 11.54   M0e+M2.0e 736 1
135 2MASS J04324107+1809239 TT* 04 32 41.0777515608 +18 09 23.950420812           M5.7 23 0
136 HD 285840 TT* 04 32 42.4331784912 +18 55 10.200928476   11.52 10.848   9.711 K1V: 44 0
137 V* V1076 Tau Or* 04 32 43.7362452744 +18 02 56.310071784   14.72       K7 100 0
138 V* V1321 Tau TT* 04 32 53.2357475304 +17 35 33.645243444     13.69     M2 57 0
139 RX J0432.9+1817 X 04 32 55.2 +18 17 14           ~ 1 0
140 V* V697 Tau Er* 04 33 23.76576 +23 59 27.0744   14.14 12.657 12.270   M3.0Ve 47 0
141 HD 28867 Y*O 04 33 33.0491533 +18 01 00.189284   7.030 7.013     B9IVn 105 0
142 V* V1322 Tau TT* 04 33 34.6803609864 +19 16 48.857389140     13.58     G6 15 0
143 V* HN Tau Or* 04 33 39.3629421552 +17 51 52.289234280   14.76 13.40 13.05   K5e 255 0
144 V* V1323 Tau TT* 04 33 41.9926222344 +18 24 27.395522100   12.14 11.75     G6 19 0
145 LP 415-2120 PM* 04 33 42.8134443504 +18 45 59.175582372   17 15.37     ~ 24 0
146 RX J0433.7+1809 X 04 33 42.9 +18 09 45           ~ 1 0
147 V* DM Tau Or* 04 33 48.7336763736 +18 10 09.973460280 14.30 14.82 14.00     M2Ve 633 0
148 V* V1077 Tau Or* 04 34 18.0303957624 +18 30 06.519662280   13.70       G8 82 0
149 RX J0434.5+1802 X 04 34 35.9 +18 02 54           ~ 2 0
150 RX J0434.6+1842 * 04 34 41.7558982392 +18 42 42.849493200           ~ 1 0
151 HD 28991 PM* 04 34 42.2115050304 +17 44 53.400818940   8.29 7.94 8.79   F2 41 0
152 HD 285898 Or* 04 35 14.1986175456 +18 21 35.581097808   11.69 11.39     G0 31 0
153 GSC 01270-00355 TT* 04 35 24.5038529437 +17 51 42.495480359   15.680 14.030 13.310   M1.5 59 2
154 RX J0435.4+1831 X 04 35 24.8 +18 31 16           ~ 1 0
155 V* V1324 Tau TT* 04 35 56.8366741632 +23 52 05.041814880   15.01 13.57     M1 32 0
156 LP 415-1582 Er* 04 36 04.1828355312 +18 53 18.676299660   15.07 13.576 13.292   M2.5V 33 0
157 LP 302-37 PM* 04 36 08.6597332296 +27 33 23.087212488   15.8   14.1   ~ 13 0
158 V* V961 Per TT* 04 37 16.8636732048 +31 08 19.566606084   14.54 13.24     K4 21 0
159 RX J0437.4+1851B TT* 04 37 26.8466657448 +18 51 22.352070420       12.84   ~ 8 0
160 RX J0437.4+1851A TT* 04 37 26.8711516200 +18 51 26.718203844       11.58 9.915 K6 17 0
161 2MASS J04375669+2653050 * 04 37 56.7262883304 +26 53 05.121824532           M4 4 0
162 V* V1325 Tau TT* 04 38 13.0523414917 +20 22 46.839665447   13.33 12.22 11.81   K2 29 0
163 V* V1117 Tau Y*O 04 38 15.6143744976 +23 02 27.544142652   15.26 13.76 13.41   M1 34 0
164 V* V1326 Tau TT* 04 38 27.6521402736 +15 43 37.960988448   14.47 13.29     K3 18 0
165 HD 285957 TT* 04 38 39.0722950320 +15 46 13.573577352   11.75 10.863   9.616 K2 52 0
166 ATO J069.8075+27.8239 PM* 04 39 13.7167098384 +27 49 27.796630224           K5 4 0
167 PM J04393+3331 Er* 04 39 23.1885442642 +33 31 49.431639911   15.808 14.335 13.941   M4.0V 12 0
168 V* V583 Aur TT* 04 39 25.4483595840 +33 32 44.672191800   12.79 11.24 10.45   K5 23 0
169 LSPM J0440+3126 SB* 04 40 22.9880010936 +31 26 46.166992764   15.5   13.3   M4.2+M5.0 17 0
170 V* V1328 Tau TT* 04 41 23.9948358936 +27 15 12.468646008   14.05 13.11     G8 19 0
171 PM J04414+1404 PM* 04 41 27.8161088760 +14 04 34.203570132     13.395 13.033   ~ 20 0
172 2MASS J04415165+3240363 PM* 04 41 51.6566629512 +32 40 36.314207472           ~ 3 0
173 HD 283798 TT* 04 41 55.1542944840 +26 58 49.419533856   10.21 9.55     G2 52 0
174 2MASS J04432106+3331075 * 04 43 21.0945134194 +33 31 07.848311220           M0.5 3 0
175 V* V1331 Tau TT* 04 43 25.9667713008 +15 46 03.787638528   13.88 12.84     G7 12 0
176 LP 476-6 PM* 04 44 08.1349255272 +14 01 22.548754236   15.6   13.787   M4.3V 18 0
177 2MASS J04441727+2216284 PM* 04 44 17.2806133584 +22 16 28.466221044           ~ 3 0
178 2MASS J04441924+1427599 * 04 44 19.2355852512 +14 27 59.848701984           M0 3 0
179 V* V1205 Tau TT* 04 44 23.5482972360 +20 17 17.477873160   13.70 12.67     K1 19 0
180 V* V1333 Tau TT* 04 44 26.8992878928 +19 52 16.248831024   13.94 12.55     ~ 18 0
181 HD 283782 TT* 04 44 54.4590108624 +27 17 45.223813068   10.69 9.80 9.47   K0 37 0
182 2MASS J04445570+1936058 PM* 04 44 55.7007380568 +19 36 05.816703096           ~ 3 0
183 HD 30171 TT* 04 45 51.2948260920 +15 55 49.632455460   10.12 9.36   8.439 G5 53 0
184 V* V1335 Tau TT* 04 46 53.2715281680 +22 55 12.932890680     12.94     ~ 21 0
185 PM J04472+2038 Er* 04 47 12.2486067432 +20 38 10.797166356   16.0 14.216 13.988   M5.0V 32 0
186 V* V1337 Tau RS* 04 48 00.44 +27 56 19.6     12.39     G2 18 0
187 V* V1339 Tau RS* 04 48 57.9965766144 +19 14 56.112365544     11.80 11.09   K0 8 1
188 V* V1341 Tau TT* 04 50 00.1930583400 +22 29 57.504414912   12.19 11.285   10.172 K1 30 0
189 2MASS J04501665+2037330 Er* 04 50 16.6696789824 +20 37 32.967777756           M4.5 21 0
190 RX J0451.0+3127 PM* 04 51 01.4205787920 +31 27 23.693536152   14.56   13.029   M3.7V 21 0
191 PM J04510+1458 SB* 04 51 02.4287237736 +14 58 16.690716552     11.676 11.266   M0.5Ve 25 0
192 V* UY Aur Or* 04 51 47.3890167432 +30 47 13.551561492 12.82 12.96 11.90 10.59 9.52 M0e+M2.5e 359 0
193 V* V1343 Tau TT* 04 51 54.2542654080 +17 58 27.776552232     14.26     M2 19 0
194 V* V1344 Tau TT* 04 51 56.5107622296 +28 49 25.932211536     14.52     K2 13 0
195 V* V1345 Tau TT* 04 51 56.8550119848 +28 49 42.737511864   13.2 14.38 13.39   K4 14 0
196 V* V1346 Tau TT* 04 52 30.7533146448 +17 30 25.724127708     12.02     K4 30 0
197 RX J0452.8+1621 RS* 04 52 50.1733660566 +16 22 09.075181407   13.074 11.778 11.367   K4 25 0
198 V* V1348 Tau TT* 04 52 57.0729898536 +19 19 50.284227000     12.15     K5 23 0
199 V* V590 Aur TT* 04 53 08.6985307080 +33 12 01.423462536       13.95   G8 8 0
200 PM J04540+2200 PM* 04 54 05.6644250304 +22 00 54.541429828     12.462 12.004   ~ 8 0
201 HD 31281 TT* 04 55 09.6199331136 +18 26 31.105838832   9.83 9.14 9.12   G1V: 39 0
202 V* GM Aur Or* 04 55 10.9815576936 +30 21 59.373771876 14.59 13.351 12.242 11.798   K3Ve 688 0
203 HD 282630 Or* 04 55 36.9695564640 +30 17 55.101300900   12.17 11.12 10.55   K0Ve 171 0
204 V* AB Aur Ae* 04 55 45.8458932216 +30 33 04.292077032 7.20 7.16 7.05 6.96 6.70 A0Ve 1067 2
205 V* V1350 Tau RS* 04 55 47.6668391376 +17 42 02.124552384   12.02 11.36 10.98   K3 22 0
206 HD 31305 * 04 55 48.2312009712 +30 20 16.446564852   7.70 7.60     A0 42 0
207 2MASS J04555933+2002494 * 04 55 59.3302078392 +20 02 49.503436800           M1 3 0
208 V* SU Aur Or* 04 55 59.3866872552 +30 34 01.499608092   10.33 9.30 9.17   G2IIIne 591 0
209 V* V397 Aur Or* 04 56 02.0265224208 +30 21 03.670989228   13.07 11.72 11.25   K7e 172 0
210 V* V1351 Tau TT* 04 56 13.5708293232 +15 54 21.921854076   12.5 12.77     K7 17 0
211 2MASS J04563213+3023256 * 04 56 32.1390255432 +30 23 25.677318984           M3 6 0
212 2MASS J04564680+1521460 TT* 04 56 46.8070086912 +15 21 46.040482728           ~ 9 0
213 V* V1353 Tau TT* 04 56 56.5439978040 +16 00 24.839219268     14.42     M1.5 18 0
214 HD 286179 TT* 04 57 00.6443930448 +15 17 53.000447676   10.99 10.39     G3V: 40 0
215 HD 282600 LP* 04 57 06.5174531640 +31 42 50.590964592   12.16 10.88 10.05   K0 26 0
216 HD 286178 TT* 04 57 17.6843322925 +15 25 09.337576443   11.150 10.229 10.035   K1 35 1
217 V* V1354 Tau TT* 04 57 30.6551084688 +20 14 29.585897268   11.94 11.09 10.85 9.938 K1 33 0
218 RX J0457.6+3011 X 04 57 41.2 +30 11 19           ~ 1 0
219 PM J04577+3121 PM* 04 57 45.2967066535 +31 21 38.615256380     12.369 12.057   M0e 6 0
220 V* V1207 Tau TT* 04 58 39.7400575008 +20 46 44.000970276   13.15       K7 33 0
221 PM J04591+1651 PM* 04 59 07.6496962216 +16 51 54.589843309     13.947 13.540   M3.98 12 0
222 V* V1840 Ori TT* 04 59 46.1728084584 +14 30 55.465014960     11.652   10.194 K4 30 0

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