2018A&A...619A.180M


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.14CEST14:09:15

2018A&A...619A.180M - Astronomy and Astrophysics, volume 619A, 180-180 (2018/11-1)

Reanalysis of the Gaia Data Release 2 photometric sensitivity curves using HST/STIS spectrophotometry.

MAIZ-APELLANIZ J. and WEILER M.

Abstract (from CDS):


Context. The second data release (DR2) from the European Space Agency mission Gaia took place on April 2018. DR2 included photometry for more than 1.3 x 109 sources in the three bands G, GBP, and GRP. Even though the Gaia DR2 photometry is very precise, there are currently three alternative definitions of the sensitivity curves that show significative differences.
Aims. The aim of this paper is to improve the quality of the input calibration data to produce new compatible definitions of the G, GBP, and GRP bands and to identify the reasons for the discrepancies between previous definitions.
Methods. We have searched the Hubble Space Telescope (HST) archive for Space Telescope Imaging Spectrograph (STIS) spectra with G430L+G750L data obtained with wide apertures and combined them with the CALSPEC library to produce a high quality spectral energy distribution (SED) library of 122 stars with a broad range of colors, including three very red stars. This library defines new sensitivity curves for G, GBP, and GRP using a functional analytical formalism.
Results. The new sensitivity curves are significantly better than the two previous attempts we use as a reference, REV (Evans et al. 2018, A&A, 616, A4) and WEI (Weiler 2018, A&A, 616, A17). For G we confirm the existence of a systematic bias in magnitude and correct a color term present in REV. For GBP we confirm the need to define two magnitude ranges with different sensitivity curves and measure the cut between them at Gphot=10.87 mag with a significant increase in precision. The new curves also fit the data better than either REV or WEI. For GRP, our new sensitivity curve fits the STIS spectra better and the differences with previous attempts reside in a systematic effect between ground-based and HST spectral libraries. Additional evidence from color-color diagrams indicate that the new sensitivity curve is more accurate. Nevertheless, there is still room for improvement in the accuracy of the sensitivity curves because of the current dearth of good-quality red calibrators: adding more to the sample should be a priority before Gaia data release 3 takes place.

Abstract Copyright: © ESO 2018

Journal keyword(s): surveys - methods: data analysis - techniques: photometric

VizieR on-line data: <Available at CDS (J/A+A/619/A180): table2.dat>

Simbad objects: 122

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Number of rows : 122

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HD 9051 PM* 01 28 46.5026523997 -24 20 25.443519152   9.73 8.92     G6/8IIIwF5 55 0
2 CD-24 731 HS* 01 43 48.5446090530 -24 05 10.224853422   11.6 11.9     sdBHe0 58 0
3 HD 13338 * 02 12 19.1722152248 +57 56 27.175984789 8.73 9.38 9.17     O9.5V 51 0
4 BD+56 517 * 02 18 55.7270640786 +57 09 06.625769962 10.26 10.77 10.4410   9.6640 B1.5III 37 0
5 HD 14250 Pu* 02 20 15.7224013826 +57 05 54.993470094 8.74 9.28 8.0358 8.66 7.5804 B1.5III 98 0
6 HD 14321 EB* 02 20 52.8794443446 +56 55 32.714619071 8.98 9.52 8.6406   8.0964 B2.0III 44 0
7 V* V621 Per EB* 02 22 09.7099502301 +57 07 02.300064784 9.14 9.68 9.4000   7.9369 B1.5I 68 0
8 HD 14943 ** 02 22 54.6752595830 -51 05 31.659045572   6.101 5.898     A5V 33 0
9 * ksi02 Cet * 02 28 09.5570589539 +08 27 36.216809306 4.14 4.25 4.30 4.29 4.34 B9III 311 0
10 HD 15570 Em* 02 32 49.4205362766 +61 22 42.089023028 8.40 8.80 8.11 7.41 6.86 O4If 286 0
11 BD+60 513 Y*O 02 34 02.5295312596 +61 23 10.878219820 9.38 9.88 9.39     O7Vnz 97 0
12 HD 18352 * 02 59 47.3675956854 +61 17 23.798298866 8.027 6.987 6.844     B1V 63 0
13 WG 7 WD* 03 09 47.9177903982 -56 23 49.413047243   13.99 14.14 14.42   DB 45 0
14 UCAC3 125-8171 * 03 32 32.843 -27 51 48.58 18.74 18.0893 16.64   17.0383 ~ 19 0
15 HZ 4 WD* 03 55 21.9881493731 +09 47 18.134000893 13.917 14.592 14.506 14.58 14.642 DA3.4 178 0
16 HD 284248 PM* 04 14 35.5161833236 +22 21 04.254015290 9.49 9.68 9.23 8.77 8.43 sdG0 172 0
17 HD 29647 * 04 41 08.0445234455 +25 59 33.957034408 9.69 9.22 8.31 7.35 6.60 B9IIIpHgMn 192 0
18 HD 31128 PM* 04 52 09.9097489102 -27 03 50.940327190   9.55 9.14     F3/5Vw 125 0
19 BD+52 913 WD* 05 05 30.6182785658 +52 49 51.920797126 10.25 11.44 11.69 11.93 12.108 DA.8 1002 0
20 * lam Lep * 05 19 34.5240485 -13 10 36.440791 3.03 4.04 4.29 4.41 4.69 B0.5V 278 0
21 HD 37061 Or* 05 35 31.3653515656 -05 16 02.586154009 6.44 7.09 6.83     O9V 330 0
22 HD 37962 PM* 05 40 51.9659129459 -31 21 03.985185397   8.50 7.85     G2V 86 0
23 HD 37725 * 05 41 54.3696829214 +29 17 50.956841191   8.12 8.31     A3V 11 0
24 HD 38087 ** 05 43 00.5750795483 -02 18 45.388281574 7.96 8.40 8.29 8.06 7.89 B3II 153 1
25 * mu. Col V* 05 45 59.8953630749 -32 18 23.164726112 3.84 4.90 5.18 5.30 5.57 O9.5V 465 0
26 HD 38949 * 05 48 20.0588768897 -24 27 49.853827330   8.37 7.80     G1V 58 0
27 GD 71 WD* 05 52 27.6197286025 +15 53 13.228639956 11.675 12.783 13.032 13.169 13.337 DA1.5 343 0
28 HD 46106 Y*O 06 31 38.3971787779 +05 01 36.401702672 7.33 8.08 7.93 7.76 7.66 O9.7III(n) 143 0
29 HD 46150 Em* 06 31 55.5205503719 +04 56 34.302522479 6.03 6.86 6.73 6.50 6.41 O5V((f))z 377 0
30 LS VI +04 12 * 06 32 06.1359057425 +04 52 15.354300165 9.21 9.84 9.71     B1III 53 0
31 HD 46966 ** 06 36 25.8880483410 +06 04 59.483890115 5.91 6.83 6.87     O8.5IV 193 0
32 HD 292167 * 06 44 53.8146202973 +00 37 12.597356688 9.1 9.82 9.63 9.21   A3Ia 42 0
33 HD 60753 * 07 33 27.3190405062 -50 35 03.311425835 6.02 6.587 6.680     B3IV 73 0
34 HD 68633 ** 08 10 53.1455665432 -51 11 26.084064067   8.19 7.96     B5V 27 0
35 HD 233511 PM* 08 19 22.5717671718 +54 05 09.627780721 10.02 10.24   9.4   F4 127 0
36 HD 70614 * 08 21 10.2968990460 -42 24 42.401208816   9.66 9.29     B5/7 15 0
37 HD 74000 PM* 08 40 50.8038415228 -16 20 42.513275817 9.84 10.09 9.66     F2 251 0
38 AG+81 266 HS* 09 21 19.1767236633 +81 43 27.629923778 10.392 11.59 11.95 12.09 12.281 sdO 60 0
39 V* V405 Car bC* 10 35 48.2142399594 -58 12 33.199517480 8.35 9.23 9.28 9.22 9.19 B1 45 0
40 HD 92044 * 10 36 16.0791681031 -58 16 38.158187219 7.72 8.40 8.25 8.10 7.91 B1II 62 0
41 Feige 34 HS* 10 39 36.7377085527 +43 06 09.209752646 9.613 10.91 11.14 11.319 11.464 sdOp 618 0
42 HD 93028 SB* 10 43 15.3392956864 -60 12 04.229601354 7.29 8.24 8.30 9.26   O9IV 152 0
43 CPD-59 2591 * 10 44 36.7047708889 -59 47 29.693151804 10.726 11.312 10.851   9.975 O8.5V+B0.5:V: 37 0
44 CD-59 3300 * 10 44 41.7970027863 -59 46 56.403492769 8.07 8.79 8.57 9.33   O6V((f)) 129 0
45 HD 93250 * 10 44 45.0270200315 -59 33 54.681395850 6.73 8.12 7.50 8.38   O4III(fc) 295 0
46 BD+29 2091 PM* 10 47 23.1625623007 +28 23 55.928286438   10.72   10.1   F5 130 0
47 HD 106252 PM* 12 13 29.5100104731 +10 02 29.888816943   8.00   7.0   G0 164 1
48 HD 110336 * 12 43 05.3294333356 -77 21 03.798527214   8.99 8.64     B9IV 20 0
49 GD 153 WD* 12 57 02.3224875106 +22 01 52.634392478 11.883 13.060 13.349 13.488 13.669 DA1.2 323 0
50 HD 112607 * 12 59 01.3164071816 -63 38 26.242515568 7.98 8.24 8.10     B7/8III 32 0
51 HD 116405 * 13 22 45.1237759825 +44 42 53.911189048   8.27 8.34     A0V 31 0
52 HZ 44 HS* 13 23 35.2632775627 +36 07 59.545982652 10.186 11.42 11.65 12.00 11.995 sdBN0VIIHe28 378 0
53 LAWD 52 WD* 13 38 50.4780798626 +70 17 07.641423392 11.807 12.54 12.60 13.01 12.979 DA2.4 200 0
54 NAME Proxima Centauri Er* 14 29 42.9451234609 -62 40 46.170818907 14.21 12.95 11.13 9.45 7.41 M5.5Ve 1028 0
55 BD-11 3759 BY* 14 34 16.8115600986 -12 31 10.417356933 14.041 12.915 11.317 10.093 8.473 M3.5V 161 0
56 BD+26 2606 SB* 14 49 02.3550036151 +25 42 09.136461939 9.92 10.16 9.73 9.27 8.95 A5 357 0
57 TYC 4413-304-1 PM* 14 51 57.9795773893 +71 43 17.393377038 12.751 12.84 12.16 12.05 11.313 G0 33 0
58 * lam Lib SB* 15 53 20.0553041075 -20 10 01.442049195 4.43 4.997 5.027     B3V 203 0
59 HD 142165 SB* 15 53 53.9144819386 -24 31 59.373187650 4.95 5.350 5.372     B5V 124 0
60 GSPC P177-D * 15 59 13.5785609612 +47 36 41.905095533   14.17 13.52 13.42   G0 35 0
61 HD 146285 Ro* 16 16 25.1727655978 -24 59 19.465473164   8.12 7.92   7.47 B8V 69 0
62 SDSS J161814.23+000008.6 * 16 18 14.2396625266 +00 00 08.609125704   17.24 16.75 16.35 15.93 G0-5 7 1
63 UCAC3 292-117285 * 16 19 46.1029174395 +55 34 17.862527064   17.09 16.23 16.41   G0-5 10 1
64 HD 147196 Be* 16 21 19.1910661422 -23 42 28.739826827 7.04 7.21 7.04     B5/8Vn 93 0
65 HD 147889 Y*O 16 25 24.3162969787 -24 27 56.570239619 8.56 8.73 7.90     B2III/IV 445 1
66 PG 1628+530 HS* 16 29 35.7474680439 +52 55 53.613593489   15.60 15.40     sdBO 11 0
67 GSC 02581-02323 * 16 31 33.8125078770 +30 08 46.398483547 13.576 12.972 12.917 12.564 12.212 G2V 64 0
68 HD 149452 * 16 37 10.5111462999 -47 07 49.828797073 9.2 10.39 9.40 9.54 8.73 O9IVn 46 0
69 V* V946 Sco bC* 16 54 01.7629455697 -41 51 11.866817243 9.890 10.471 10.281 10.327 9.927 B2IV-V 40 0
70 VB 8 Er* 16 55 35.2561420232 -08 23 40.752903617   18.7 16.916 14.566 12.24 M7Ve 395 0
71 PG 1657+344 WD* 16 58 51.1126140106 +34 18 53.321180387   16.12       DA.9 52 0
72 BD+60 1753 * 17 24 52.2772360943 +60 25 50.780790994   9.72 9.65     A1V 12 0
73 HD 158485 * 17 26 04.8370194390 +58 39 06.831346171   6.616 6.494     A4V 51 0
74 HD 159222 PM* 17 32 00.9922730198 +34 16 16.130879367 7.38 7.21   6.1   G1V 211 0
75 TYC 4424-1286-1 * 17 32 52.6303424216 +71 04 43.121034344   12.75 12.21     A4V 8 0
76 BD+02 3375 PM* 17 39 45.5950264172 +02 24 59.607595293 10.18 10.40 9.92 9.47 9.12 A5 190 0
77 TYC 4207-219-1 * 17 40 34.6792693584 +65 27 14.773701400   12.95 12.12     A6V 11 0
78 HD 160617 PM* 17 42 49.3235999900 -40 19 15.505712142   9.18 8.73 8.394 8.065 G0 188 0
79 2MASS J17430448+6655015 * 17 43 04.4857200866 +66 55 01.662639339   13.80 13.525     A5V 9 0
80 HD 163466 * 17 52 25.3756821314 +60 23 46.940271027   7.04 6.85     A2 22 0
81 UCAC3 313-62260 * 17 55 16.2159265629 +66 10 11.606626474   14.39 13.18 13.00   K0.5III 9 0
82 TYC 4212-455-1 * 17 57 13.2333396151 +67 03 40.773749135   11.91 12.01     A3V 11 0
83 2MASS J17583798+6646522 * 17 58 37.9945876723 +66 46 52.112481269   15.10 13.80     K1.5III 18 0
84 HD 164073 * 18 02 00.5632615123 -48 48 37.655791051 7.55 8.05 8.03     B3III/IV 23 0
85 TYC 4201-1542-1 * 18 02 27.1631 +60 43 35.542   12.06 11.53     ~ 2 0
86 HD 165459 * 18 02 30.7410086899 +58 37 38.157415821   6.98 6.86   6.70 A1V 34 0
87 * 9 Sgr Em* 18 03 52.4455370104 -24 21 38.639393923 5.08 5.97 5.97 5.72 5.70 O4V((f))z 522 0
88 HD 164865 s*b 18 04 15.2160472260 -24 11 00.078758843 8.62 8.47 7.63 6.74 5.91 B9Ia 63 0
89 TYC 4209-1396-1 * 18 05 29.2754546717 +64 27 52.126965554   12.54 12.74     A4V 11 0
90 TYC 4433-1800-1 * 18 08 34.7361693018 +69 27 28.720145391   12.18 11.69     A3V 7 0
91 TYC 4205-1677-1 * 18 12 09.5671791530 +63 29 42.258719727   11.94 12.01     A3V 11 0
92 HD 168075 SB* 18 18 36.0420462726 -13 47 36.450104043 8.62 9.22 8.77 9.45   O7V(n)((f))z 133 0
93 2MASS J18185267-1349427 Y*O 18 18 52.6748769663 -13 49 42.635131189 9.04 9.71 9.45   8.968 O9.7IIIp 93 0
94 HD 172140 bC* 18 39 48.2537049436 -29 20 21.355026216 9.02 9.90 10.0     B1II 47 0
95 CD-37 13034 * 19 03 12.0149363615 -37 29 10.546273448   10.66 10.07     B8V 3 0
96 HD 180609 * 19 12 47.1995537052 +64 10 37.174783880   9.57 9.42     A0V 13 0
97 LAWD 74 WD* 19 20 34.9229875534 -07 40 00.066805378 11.553 12.345 12.290 12.229 12.164 DBQA5 204 0
98 BD-13 5550 pA* 20 01 49.8289925402 -12 41 17.770844367 10.62 11.3 11.4     B1Ibe 72 0
99 HD 228199 * 20 11 27.2644566068 +36 29 56.854384259   9.41 9.34     B0.5:V 31 0
100 HD 192639 s*b 20 14 30.4275040181 +37 21 13.815126140 6.83 7.46 7.11     O7.5Iabf 273 0
101 HD 193322 ** 20 18 06.98820 +40 43 55.5001 5.17 5.94 5.84 5.69 5.68 O9IV(n)+B1.5V 270 0
102 HD 185975 PM* 20 28 18.7402334001 -87 28 19.938404892   8.78 8.10     G3V 33 0
103 HS 2027+0651 WD* 20 29 32.5059737392 +07 01 07.702028227   16.1   16.9   DO 13 0
104 HD 197512 * 20 42 10.0492385548 +49 44 05.057105879 7.93 8.60 8.55     B1V 60 0
105 HD 198781 * 20 49 17.3908439894 +64 02 32.125046483 5.75 6.472 6.451     B0.5V 93 0
106 HD 199216 * 20 53 52.4036138854 +49 32 00.324303581 7.05 7.51 7.03     B1II 79 0
107 HD 200654 Pe* 21 06 34.7513502011 -49 57 50.282535600   9.74 9.11     CEMP 95 0
108 LAWD 87 WD* 21 32 16.2327559970 +00 15 14.398335415 13.717 14.634 14.674 14.675 14.676 DB4 169 1
109 HD 205905 PM* 21 39 10.1510425032 -27 18 23.666026265   7.36 6.74     G1.5IV-V 83 0
110 HD 205805 HS* 21 39 10.6155343758 -46 05 51.525016185 9.05 9.98 10.21     sdB 70 0
111 HD 239745 Em* 21 43 24.4644726136 +57 01 23.352412705 8.60 9.21 8.92     B1V 35 0
112 HD 207198 * 21 44 53.2790298387 +62 27 38.042162728 5.61 6.25 5.94 5.66 5.49 O8.5II 327 0
113 HD 209458 V* 22 03 10.7729598762 +18 53 03.548248479   8.21 7.63     F9V 1011 1
114 HD 210121 * 22 08 11.9025501667 -03 31 52.770012247   7.84 7.68     B7II 155 0
115 * lam Cep s*b 22 11 30.5750839949 +59 24 52.147736074 4.55 5.29 5.05 4.77 4.62 O6.5I(n)fp 653 1
116 BD+17 4708 SB* 22 11 31.3751899315 +18 05 34.158392398 9.73 9.91 9.46 9.03 8.70 sdF8 545 0
117 BD+69 1231 * 22 13 24.5281828482 +70 15 05.077858884   9.41 9.29     B9.5V 44 2
118 * 10 Lac ** 22 39 15.6786372 +39 03 00.971152 3.650 4.670 4.880 4.98 5.19 O9V 725 0
119 PHL 382 HS* 22 43 06.0219501669 -14 50 37.444539105   11.3 11.4     sdB 20 0
120 HD 217086 Y*O 22 56 47.1887219290 +62 43 37.654789076 7.88 8.30 7.66 8.35   O7Vnn((f))z 245 0
121 Feige 110 HS* 23 19 58.3995050606 -05 09 56.170282845 10.360 11.45 11.50 11.970 12.145 sdO8VIIIHe5 575 1
122 HD 220057 SB* 23 20 00.6491996317 +61 08 59.443712029 6.37 6.948 6.944     B5 72 0

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2021.04.14-14:09:16

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