2009ApJ...696..870D

Query : 2009ApJ...696..870D

2009ApJ...696..870D - Astrophys. J., 696, 870-884 (2009/May-1)

First results from the Catalina real-time transient survey.

DRAKE A.J., DJORGOVSKI S.G., MAHABAL A., BESHORE E., LARSON S., GRAHAM M.J., WILLIAMS R., CHRISTENSEN E., CATELAN M., BOATTINI A., GIBBS A., HILL R. and KOWALSKI R.

Abstract (from CDS):

We report on the results from the first six months of the Catalina Real-Time Transient Survey (CRTS). In order to search for optical transients (OTs) with timescales of minutes to years, the CRTS analyses data from the Catalina Sky Survey which repeatedly covers 26,000 of square degrees on the sky. The CRTS provides a public stream of transients that are bright enough to be followed up using small telescopes. Since the beginning of the survey, all CRTS transients have been made available to astronomers around the world in real time using HTML tables,RSS feeds, and VOEvents. As part of our public outreach program, the detections are now also available in Keyhole Markup Language through Google Sky. The initial discoveries include over 350 unique OTs rising more than 2 mag from past measurements. Sixty two of these are classified as supernovae (SNe), based on light curves, prior deep imaging and spectroscopic data. Seventy seven are due to cataclysmic variables (CVs; only 13 previously known), while an additional 100 transients were too infrequently sampled to distinguish between faint CVs and SNe. The remaining OTs include active galactic nucleus, blazars, high-proper-motions stars, highly variable stars (such as UV Ceti stars), and transients of an unknown nature. Our results suggest that there is a large population of SNe missed by many current SN surveys because of selection biases. These objects appear to be associated with faint host galaxies. We also discuss the unexpected discovery of white dwarf binary systems through dramatic eclipses.

Abstract Copyright: ∼

Journal keyword(s): BL Lacertae objects: general - galaxies: general - novae, cataclysmic variables - stars: flare - supernovae: general

VizieR on-line data: <Available at CDS (J/ApJ/696/870): table1.dat table2.dat table3.dat>

Nomenclature: Tables 1-3: [DDM2009] CSSYYMMDD JHHMMSS+DDMMSS N=61+75+5.

Simbad objects: 152

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Number of rows : 152
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 [DDM2009] CSS071204 J002043+102044 SN* 00 20 42.71 +10 20 44.1           ~ 1 0
2 [DDM2009] CSS071109 J003334+214127 SN* 00 33 34.36 +21 41 26.7           ~ 1 0
3 [DDM2009] CSS071112 J012312+120818 SN* 01 23 12.27 +12 08 18.0           ~ 1 0
4 G 272-61B Er* 01 39 01.6377185550 -17 57 01.001240728           M6V 855 0
5 [DDM2009] CSS071101 J015607+203404 SN* 01 56 06.60 +20 34 03.5           ~ 1 0
6 CRTS J021110.2+171624 CV* 02 11 10.2055949760 +17 16 24.160931904           ~ 9 0
7 SN 2007no SN* 02 41 05.71 -03 38 13.6           SNIa 3 1
8 [DDM2009] CSS071102 J024457-044918 SN* 02 44 57.22 -04 49 17.7           ~ 1 0
9 [DDM2009] CSS071112 J024457+352249 CV* 02 44 57.42 +35 22 49.3           ~ 2 0
10 V* V872 Per CV* 02 46 02.3486108592 +34 55 08.167950876           ~ 8 0
11 SN 2008al SN* 02 46 07.23 -07 38 33.8     17.6     SNII 13 1
12 SN 1998fc SN* 02 59 12.61 +03 29 39.0       20.5   SNIa 12 1
13 CRTS J032627.3+070744 CV* 03 26 27.2786774400 +07 07 44.294421324           ~ 3 0
14 [DDM2009] CSS080130 J033056+251255 CV* 03 30 55.66 +25 12 55.2           ~ 3 0
15 [DDM2009] CSS080101 J035151-062700 SN* 03 51 50.64 -06 27 00.5           ~ 1 0
16 [DDM2009] CSS071204 J035956+233018 SN* 03 59 56.34 +23 30 18.2           ~ 1 0
17 CRTS J041455.7+215643 CV* 04 14 55.7147847888 +21 56 42.910323972           ~ 2 0
18 [KIU2009] OT J044216.0-002334 CV* 04 42 16.03 -00 23 33.9           ~ 5 0
19 AT 2018ala CV* 05 20 33.8213269344 -00 05 30.278081868           ~ 3 0
20 CRTS J060037.6-080945 CV* 06 00 37.5838831968 -08 09 44.833607208           ~ 2 0
21 CRTS J064608.2+403305 CV* 06 46 08.23 +40 33 05.1           ~ 6 0
22 [DDM2009] CSS080111 J070447+412518 SN* 07 04 47.3943630744 +41 25 17.588480412           ~ 1 0
23 [DDM2009] CSS080309 J070501+372505 CV* 07 05 01.06 +37 25 05.2           ~ 2 0
24 SDSS J073921.18+222453.5 CV* 07 39 21.181 +22 24 53.55           ~ 3 0
25 SN 2008bb SN* 07 55 19.52 +20 39 08.4           SNII 6 1
26 SDSS J075648.04+305805.0 CV* 07 56 48.0521067480 +30 58 05.018374092           ~ 9 0
27 [DDM2009] CSS071106 J075747+305307 CV* 07 57 46.97 +30 53 07.2           ~ 1 0
28 [DDM2009] CSS080210 J080306+115121 SN* 08 03 06.09 +11 51 20.8           ~ 1 0
29 CRTS J080846.2+313106 CV* 08 08 46.1915794416 +31 31 05.978257788           DOAe 18 0
30 SDSS J080853.72+355053.7 CV* 08 08 53.7305590344 +35 50 53.685426588           A6IV 7 0
31 [DDM2009] CSS080303 J081413+271939 SN* 08 14 13.15 +27 19 39.0           ~ 1 0
32 SDSS J081414.92+080449.5 CV* 08 14 14.922 +08 04 49.52           ~ 4 0
33 2SLAQ J081418.92-005022.0 CV* 08 14 18.9164469552 -00 50 22.018197048     19.14   17.92 ~ 10 0
34 [DDM2009] CSS080417 J081543-004209 CV* 08 15 43.1129714280 -00 42 09.134839224           ~ 2 0
35 [DDM2009] CSS071230 J081807+200719 SN* 08 18 07.05 +20 07 19.2           ~ 1 0
36 [DDM2009] CSS071230 J082550+220041 SN* 08 25 50.48 +22 00 41.3           ~ 1 0
37 SDSS J082654.69-000733.1 CV* 08 26 54.6974769528 -00 07 33.131561916           ~ 10 0
38 SDSS J082821.77+105343.8 CV* 08 28 21.778 +10 53 43.89           ~ 4 0
39 [DDM2009] CSS080426 J084328+302346 SN* 08 43 27.86 +30 23 45.6           ~ 1 0
40 SDSS J084358.08+425036.8 CV* 08 43 58.0834290768 +42 50 36.789919800           ~ 11 0
41 V* V498 Hya CV* 08 45 55.0705257312 +03 39 29.257398216           ~ 10 0
42 [DDM2009] CSS080202 J084608+011743 CV* 08 46 07.73 +01 17 42.9           ~ 2 0
43 SDSS J085113.44+344448.5 CV* 08 51 13.4388280824 +34 44 48.653754000           ~ 9 0
44 [DDM2009] CSS080101 J085249-052247 SN* 08 52 48.90 -05 22 46.8           ~ 1 0
45 SDSS J085409.42+201339.0 CV* 08 54 09.4355610096 +20 13 39.016526628           ~ 6 0
46 SDSS J085822.82-003729.4 CV* 08 58 22.825 -00 37 29.47           ~ 3 0
47 SDSS J090239.69+052500.7 CV* 09 02 39.698 +05 25 00.74           ~ 10 0
48 [DDM2009] CSS080307 J090624-085141 CV* 09 06 23.52 -08 51 40.5           ~ 2 0
49 SDSS J090628.24+052656.9 CV* 09 06 28.17 +05 26 57.8           sdB+G 15 0
50 GALEX J090812.1+060420 WD* 09 08 12.0406036752 +06 04 21.232540416     17.15     DA+M 27 0
51 SDSS J090904.39+091713.1 CV* 09 09 04.399 +09 17 13.16           ~ 4 0
52 [DDM2009] CSS080308 J090908+111115 SN* 09 09 07.99 +11 11 15.3           ~ 1 0
53 V* GY Cnc CV* 09 09 50.5407550968 +18 49 47.429496300           ~ 79 0
54 [DDM2009] CSS080401 J092227+282421 SN* 09 22 27.05 +28 24 20.8           ~ 1 0
55 [DDM2009] CSS071107 J093912+301341 SN* 09 39 11.62 +30 13 41.5           ~ 1 0
56 [DDM2009] CSS071111 J095436+045612 SN* 09 54 35.98 +04 56 11.8           ~ 1 0
57 [DDM2009] CSS071206 J102130+200007 SN* 10 21 30.15 +20 00 07.4           ~ 1 0
58 [DDM2009] CSS080312 J102245+021753 SN* 10 22 44.65 +02 17 52.5           ~ 1 0
59 SDSS J102937.74+414046.3 CV* 10 29 37.749 +41 40 46.35           ~ 4 0
60 SDSS J103317.27+072118.5 CV* 10 33 17.2768435104 +07 21 18.500926212           ~ 4 0
61 [DDM2009] CSS080228 J105301-075656 SN* 10 53 00.81 -07 56 55.9           ~ 1 0
62 SDSS J105550.08+095620.4 CV* 10 55 50.065 +09 56 20.30           F5 10 0
63 [DDM2009] CSS080505 J105836+120049 CV* 10 58 35.93 +12 00 48.5           ~ 1 0
64 LP 732-94 LM* 11 21 49.1708652037 -13 13 08.693807585     19.57     M8.5V 131 0
65 SN 2008cz SN* 11 23 10.90 +34 12 51.0           SNIa 5 1
66 [DDM2009] CSS080310 J112544+182317 SN* 11 25 44.03 +18 23 17.1           ~ 1 0
67 CRTS J112634.0-100210 CV* 11 26 33.9961141416 -10 02 09.955586724           ~ 7 0
68 SN 2008au SN* 11 30 33.96 +13 09 05.3     18.7     ~ 6 1
69 SDSS J115330.25+315835.9 CV* 11 53 30.254 +31 58 36.04           ~ 4 0
70 SN 2007sr SN* 12 01 52.80 -18 58 21.7     12.79     SNIa 88 1
71 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1333 1
72 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1692 0
73 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1161 1
74 NGC 4089 AGN 12 05 37.4359149864 +20 33 20.442072132   14.9       ~ 34 0
75 [DDM2009] CSS080208 J120722+250650 Bz? 12 07 21.94 +25 06 50.2           ~ 1 0
76 SDSS J120951.76+181006.8 Bla 12 09 51.7649 +18 10 06.796   19.33 18.99 19.1   ~ 68 0
77 [DDM2009] CSS080330 J121539+033613 SN* 12 15 39.10 +03 36 12.9           ~ 1 0
78 [DDM2009] CSS071216 J121630+102303 SN* 12 16 29.63 +10 23 02.9           ~ 1 0
79 CRTS J122059.8-102735 CV* 12 20 59.7518285136 -10 27 35.285504220           ~ 4 0
80 [DDM2009] CSS080406 J122515+064526 SN* 12 25 15.03 +06 45 26.2           ~ 2 0
81 [DDM2009] CSS080415 J122958+283538 SN* 12 29 57.71 +28 35 38.1           ~ 2 0
82 SN 2008ax SN* 12 30 40.80 +41 38 16.1   23.6 23.5 14.1 22.6 SNIIb 260 1
83 [DDM2009] CSS080302 J124132+332203 SN* 12 41 31.98 +33 22 03.2           ~ 1 0
84 CRTS J124417.9+300401 CV* 12 44 17.8996495224 +30 04 01.036719156   18.5   18.5   ~ 17 0
85 [DDM2009] CSS080330 J124441+051438 SN* 12 44 41.47 +05 14 37.6           ~ 1 0
86 SN 2006tf SN* 12 46 15.81 +11 25 55.4     16.7     SNIIn 100 1
87 SN 2008aq SN* 12 50 30.36 -10 52 01.3     16.3     SNIIb 47 1
88 SN 2008bm SN* 13 02 58.75 +10 30 27.0           SNIIn 20 1
89 SN 2008aw SN* 13 04 14.11 -10 19 12.9     15.9     SNII 30 1
90 [DDM2009] CSS080206 J130745+060805 SN* 13 07 44.64 +06 08 05.0           ~ 1 0
91 CRTS J131625.7-151313 CV* 13 16 25.6995702048 -15 13 13.696864068           ~ 6 0
92 V* HV Vir CV* 13 21 03.1661521320 +01 53 29.075499492           DA 155 0
93 [DDM2009] CSS080313 J132600-020027 SN* 13 25 59.69 -02 00 27.1           ~ 2 0
94 [DDM2009] CSS080429 J132846+251644 SN* 13 28 46.47 +25 16 44.2           ~ 1 0
95 [DDM2009] CSS080414 J134142-162022 SN* 13 41 42.18 -16 20 21.8           ~ 1 0
96 [DDM2009] CSS080218 J134903+315237 SN* 13 49 03.35 +31 52 37.1           ~ 1 0
97 [DDM2009] CSS080312 J140609+242013 SN* 14 06 08.61 +24 20 12.5           ~ 1 0
98 CRTS J141002.2-124809 CV* 14 10 02.2323727536 -12 48 09.095831352           ~ 6 0
99 2MASS J14154878+0903546 QSO 14 15 48.8081823120 +09 03 54.707786568   20.59 20.37 20.44   ~ 4 0
100 PMN J1415+0903 Rad 14 15 50.10 +09 04 00.0           ~ 1 0
101 CRTS J141712.0-180328 CV* 14 17 11.9910166488 -18 03 27.958759200           ~ 5 0
102 [DDM2009] CSS080228 J142427-063345 SN* 14 24 26.63 -06 33 44.8           ~ 1 0
103 [DDM2009] CSS080425 J143143-032520 CV* 14 31 43.05 -03 25 20.5           ~ 2 0
104 V* OU Vir CV* 14 35 00.2216793576 -00 46 06.269754864   18.5       M2: 51 0
105 SDSS J143547.87+373338.5 WD* 14 35 47.8735199952 +37 33 38.699663868           DA+M4.5 42 0
106 [DDM2009] CSS080111 J145436-051254 SN* 14 54 35.97 -05 12 53.8           ~ 1 0
107 SN 2008dk SN* 14 56 13.27 +18 51 15.4           SNIa 4 1
108 SN 2008av SN* 14 57 26.21 +23 23 48.2     19.1     ~ 5 1
109 SDSS J151020.77+182302.0 CV* 15 10 20.7746524920 +18 23 01.897015092           ~ 4 0
110 [DDM2009] CSS080219 J151457+234110 SN* 15 14 56.75 +23 41 10.1           ~ 1 0
111 SN 2008ck SN* 15 22 42.30 +30 22 08.0           SNIa 5 1
112 SDSS J153150.87+152446.2 CV* 15 31 50.8595854248 +15 24 46.242055152           ~ 4 0
113 SDSS J153634.42+332851.9 CV* 15 36 34.4246488440 +33 28 51.883240440           ~ 15 0
114 [VV2010] J154159.0+235603 QSO 15 42 00.057 +23 56 02.91           ~ 3 0
115 [DDM2009] CSS080411 J154258-020705 CV* 15 42 58.36 -02 07 04.8           ~ 2 0
116 SN 2001al SN* 15 44 51.74 +36 07 29.0       21.1   SNIa 8 1
117 [DDM2009] CSS080405 J155205-000627 SN* 15 52 04.82 -00 06 27.0           ~ 1 0
118 SDSS J155325.70+114437.1 CV* 15 53 25.707 +11 44 37.12           ~ 3 0
119 SN 2008cg SN* 15 54 15.15 +10 58 25.0           SNIIn 18 1
120 SN 2008de SN* 15 55 24.97 -09 41 47.1           SNII 4 1
121 V* VW CrB CV* 16 00 03.6990090672 +33 11 14.227941264           ~ 35 0
122 SDSS J160204.80+031631.9 CV* 16 02 04.8071001566 +03 16 31.618320732           ~ 4 0
123 SDSS J160232.13+161731.7 CV* 16 02 32.138 +16 17 31.78           ~ 4 0
124 SDSS J160524.22+060815.9 CV* 16 05 24.223 +06 08 15.95           ~ 3 0
125 SN 2008ba SN* 16 05 49.17 +19 27 17.2           SNIa 4 1
126 SN 2008df SN* 16 06 25.06 +10 05 21.4           ~ 5 1
127 SDSS J160844.80+220609.5 CV* 16 08 44.809 +22 06 09.58           ~ 4 0
128 CRTS J161850.8-052509 CV* 16 18 50.7539441760 -05 25 08.528888460           ~ 3 0
129 SDSS J162012.06+115256.5 CV* 16 20 12.060 +11 52 56.54           ~ 3 0
130 V* V844 Her CV* 16 25 01.7475368040 +39 09 26.359853904       16.2   ~ 64 0
131 SDSS J162605.66+225043.5 CV* 16 26 05.669 +22 50 43.56           ~ 4 0
132 SDSS J162656.79-002549.2 CV* 16 26 56.792 -00 25 49.29           ~ 3 0
133 CRTS J163120.9+103134 CV* 16 31 20.8833114864 +10 31 34.105169604           ~ 12 0
134 V* V544 Her CV* 16 38 05.3888939352 +08 37 58.442314368           ~ 27 0
135 CRTS J163942.7+122414 CV* 16 39 42.7141016832 +12 24 14.300030196     20.52 20.43 19.78 ~ 9 0
136 CRTS J164002.1+073208 CV* 16 40 02.14 +07 32 07.6           ~ 2 0
137 SN 2008dc SN* 16 47 29.45 +09 18 25.8           SNIb/c 6 1
138 MASTER OT J165346.56+164948.6 Bz? 16 53 46.6101681720 +16 49 48.865185696           ~ 2 0
139 SN 2008dd SN* 17 04 03.60 +21 35 42.0           ~ 6 1
140 V* V1007 Her CV* 17 24 06.2894436024 +41 14 07.681501044           ~ 24 0
141 [DDM2009] CSS080512 J173900+344023 CV* 17 38 59.82 +34 40 23.1           ~ 2 0
142 CRTS J174714.3+150048 CV* 17 47 14.3489772792 +15 00 47.692286460           ~ 5 0
143 [DDM2009] CSS080511 J212555-032406 CV* 21 25 55.07 -03 24 05.9           ~ 2 0
144 SDSS J213309.41+155004.1 CV* 21 33 09.410 +15 50 04.19           ~ 3 0
145 CRTS J214804.4+080951 CV* 21 48 04.4278029576 +08 09 50.342925168           ~ 2 0
146 SDSS J214842.52-000723.4 CV* 21 48 42.527 -00 07 23.44           ~ 5 0
147 CRTS J223058.3+210147 CV* 22 30 58.3369020720 +21 01 46.930214280           ~ 2 0
148 SN 2007qv SN* 22 35 07.91 -01 06 37.5           SNII 10 1
149 [DDM2009] CSS071219 J223508-011200 SN* 22 35 08.45 -01 11 59.6           ~ 1 1
150 SN 2007nm SN* 22 45 27.41 +10 39 32.7           SNIc 6 1
151 SN 2007pu SN* 22 45 58.320 -00 38 55.99           SNIa 13 1
152 V* EG Aqr CV* 23 25 19.1951166024 -08 18 19.119881520           ~ 37 0

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