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Observation Summary for Variable Star Y TAU

Total observations:4,899Minimum magnitude: 9.100Maximum magnitude: 6.200
First observation:JD 2440286.367000\5 Mar 1969 20:48:28.800000 UTLatest observation:JD 2460626.448000\11 Nov 2024 22:45:07.200000 UT
Observation MethodNumber of Observations
Visual4,867
CCD15
CMOS17

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
SKJ D Shanklin4122444609.314500
4 Jan 1981 19:32:52.800000
2460408.370000
7 Apr 2024 20:52:48.000000
8.4006.600
OTS Hoste282444609.337500
4 Jan 1981 20:06:00.000000
2445075.312500
15 Apr 1982 19:30:00.000000
7.4506.600
MMI A Middlemist2142444609.361100
4 Jan 1981 20:39:59.040000
2452623.316000
14 Dec 2002 19:35:02.400000
8.9006.900
AGS W Albrighton7292444611.454800
6 Jan 1981 22:54:54.720000
2460626.448000
11 Nov 2024 22:45:07.200000
8.3006.200
RHFR B I Fraser2092443113.444000
30 Nov 1976 22:39:21.600000
2460586.531000
3 Oct 2024 00:44:38.400000
8.5006.620
TYM D Taylor2782444615.526300
11 Jan 1981 00:37:52.320000
2455662.342000
10 Apr 2011 20:12:28.800000
8.3506.600
AXC M Allen342444901.490900
23 Oct 1981 23:46:53.760000
2455840.304200
5 Oct 2011 19:18:02.880000
8.3507.200
VST G Saville292444985.375000
15 Jan 1982 21:00:00.000000
2445436.388800
11 Apr 1983 21:19:52.320000
7.8006.400
KHI H Kennedy52444996.336800
26 Jan 1982 20:04:59.520000
2445286.513800
13 Nov 1982 00:19:52.320000
7.4806.740
LJJ Lashley92445012.444400
11 Feb 1982 22:39:56.160000
2445326.441600
22 Dec 1982 22:35:54.240000
7.8007.140
DRR C Dryden82445030.327700
1 Mar 1982 19:51:53.280000
2445436.359700
11 Apr 1983 20:37:58.080000
8.1006.980
OPE Spooner132445257.704800
15 Oct 1982 04:54:54.720000
2445795.354100
4 Apr 1984 20:29:54.240000
8.1007.030
VNS R Srinivasan1662445331.152700
27 Dec 1982 15:39:53.280000
2448251.152700
25 Dec 1990 15:39:53.280000
8.4307.100
QMT Markham4482443604.372000
5 Apr 1978 20:55:40.800000
2457504.378000
25 Apr 2016 21:04:19.200000
8.4007.550
GRNR N Goodger12446069.482600
3 Jan 1985 23:34:56.640000
2446069.482600
3 Jan 1985 23:34:56.640000
7.4007.400
JRJ Parkinson52446112.312500
15 Feb 1985 19:30:00.000000
2446170.427000
14 Apr 1985 22:14:52.800000
7.8507.400
DSD M Swain302446114.309700
17 Feb 1985 19:25:58.080000
2447486.329800
20 Nov 1988 19:54:54.720000
8.3007.300
PELP E Ells62446434.402700
3 Jan 1986 21:39:53.280000
2446521.406200
31 Mar 1986 21:44:55.680000
7.9306.700
TPJ Thorpe22446445.340200
14 Jan 1986 20:09:53.280000
2446474.378400
12 Feb 1986 21:04:53.760000
7.6007.400
SMAA Smeaton152446488.333300
26 Feb 1986 19:59:57.120000
2448651.247200
29 Jan 1992 17:55:58.080000
7.9807.100
TTT Tanti42446520.312500
30 Mar 1986 19:30:00.000000
2447962.302000
11 Mar 1990 19:14:52.800000
7.9307.720
GAVD Gavine2632446731.510400
28 Oct 1986 00:14:58.560000
2458217.403000
8 Apr 2018 21:40:19.200000
8.5007.000
RJAR J Asher22446827.342300
31 Jan 1987 20:12:54.720000
2446847.311800
20 Feb 1987 19:28:59.520000
8.1008.030
ISJ E Isles342440286.367000
5 Mar 1969 20:48:28.800000
2447837.379100
6 Nov 1989 21:05:54.240000
8.4006.900
MVJ W Macvey342447124.416600
24 Nov 1987 21:59:54.240000
2447862.427000
1 Dec 1989 22:14:52.800000
8.2007.570
TJJ Toone1,0872444114.649000
29 Aug 1979 03:34:33.600000
2460610.724000
27 Oct 2024 05:22:33.600000
9.1006.900
DHTD Herbert92447171.318000
10 Jan 1988 19:37:55.200000
2447284.363800
2 May 1988 20:43:52.320000
7.9307.400
QRAG Ramsay532447171.395800
10 Jan 1988 21:29:57.120000
2449062.329800
15 Mar 1993 19:54:54.720000
8.7007.200
FRWR W Fleet122447183.375000
22 Jan 1988 21:00:00.000000
2448250.433300
24 Dec 1990 22:23:57.120000
7.9006.800
PIR D Pickard12447915.355500
23 Jan 1990 20:31:55.200000
2447915.355500
23 Jan 1990 20:31:55.200000
7.3007.300
POGG Pointer82448516.631900
17 Sep 1991 03:09:56.160000
2450078.411800
26 Dec 1995 21:52:59.520000
7.9507.700
EYUE Yusuf82449010.354100
22 Jan 1993 20:29:54.240000
2453383.291700
12 Jan 2005 19:00:02.880000
7.7706.800
RAMR A Marriott32449062.426300
15 Mar 1993 22:13:52.320000
2449073.431200
26 Mar 1993 22:20:55.680000
7.9307.600
NBRN Britton12449361.381900
8 Jan 1994 21:09:56.160000
2449361.381900
8 Jan 1994 21:09:56.160000
7.5007.500
NZI P Nartowicz342449663.656200
7 Nov 1994 03:44:55.680000
2450020.687500
30 Oct 1995 04:30:00.000000
7.0206.500
NCM J Nicholls112449985.467300
24 Sep 1995 23:12:54.720000
2452276.382600
1 Jan 2002 21:10:56.640000
7.8507.300
BHGB H Granslo132450510.310000
2 Mar 1997 19:26:24.000000
2450857.290000
12 Feb 1998 18:57:36.000000
7.7007.400
SJOS Johnston272450746.514000
25 Oct 1997 00:20:09.600000
2451545.098600
1 Jan 2000 14:21:59.040000
7.9406.600
LVR J Livesey4342450816.319400
2 Jan 1998 19:39:56.160000
2455677.389000
25 Apr 2011 21:20:09.600000
7.7006.200
-SKG Stefanopoulos142452524.541700
7 Sep 2002 01:00:02.880000
2454086.412500
16 Dec 2006 21:54:00.000000
8.1006.900
HFG M Hurst22453787.299300
20 Feb 2006 19:10:59.520000
2453792.306900
25 Feb 2006 19:21:56.160000
7.2007.100
BMDB MacDonald92454359.664000
16 Sep 2007 03:56:09.600000
2455248.422200
20 Feb 2010 22:07:58.080000
7.9007.000
CPMC Mann42454794.427100
23 Nov 2008 22:15:01.440000
2456629.394000
2 Dec 2013 21:27:21.600000
7.2006.700
JENS Jenner12452255.456900
11 Dec 2001 22:57:56.160000
2452255.456900
11 Dec 2001 22:57:56.160000
7.2007.200
BJB J Beesley22454751.654900
12 Oct 2008 03:43:03.360000
2455116.654900
12 Oct 2009 03:43:03.360000
7.4007.400
LMCL McCalman252452675.444400
4 Feb 2003 22:39:56.160000
2453723.496500
18 Dec 2005 23:54:57.600000
8.0006.700
BMBB MacDonald62455943.408300
16 Jan 2012 21:47:57.120000
2455998.334700
11 Mar 2012 20:01:58.080000
7.5007.100
BARM Barrett12456595.580000
30 Oct 2013 01:55:12.000000
2456595.580000
30 Oct 2013 01:55:12.000000
7.4007.400
MZI Miller32442428.549000
16 Jan 1975 01:10:33.600000
2442457.469000
13 Feb 1975 23:15:21.600000
7.6007.000
JMMJ Meacham402454062.673600
23 Nov 2006 04:09:59.040000
2457020.396000
28 Dec 2014 21:30:14.400000
7.9006.700
RPER Pearce192457349.444000
22 Nov 2015 22:39:21.600000
2459599.444000
19 Jan 2022 22:39:21.600000
8.2007.100
TLHT L Heywood552457615.611000
15 Aug 2016 02:39:50.400000
2460232.594000
15 Oct 2023 02:15:21.600000
8.3007.900
PMUP Mulligan52458139.333000
20 Jan 2018 19:59:31.200000
2458512.338000
28 Jan 2019 20:06:43.200000
7.3007.000
GPFG Fleming302458869.505820
21 Jan 2020 00:08:22.848000
2460327.452130
17 Jan 2024 22:51:04.032000
7.0126.774
DNND Nicholson32459599.380000
19 Jan 2022 21:07:12.000000
2459637.389000
26 Feb 2022 21:20:09.600000
7.2006.700
JCHJ Hilder12460586.625000
3 Oct 2024 03:00:00.000000
2460586.625000
3 Oct 2024 03:00:00.000000
7.7007.700