2010IAUC.9181....2C

Query : 2010IAUC.9181....2C

2010IAUC.9181....2C - IAU Circ., 9181, 2 (2010/November-0)

Apparent flare star in Taurus.

CASTELLANO R. and MASI G.

Abstract (from CDS):

Raffaele Castellano, Vico Equense, Italy, reports the detection of an apparent outburst of a previously unknown variable star in the field of M45 (the Pleiades cluster) on Oct. 29.898 UT using a Takahashi BRC250 f/5 refractor (+ FLI Proline 16803 CCD camera + clear luminance filter). G. Masi (Ceccano, Italy) has analyzed Castellano's images and reports the following precise position: R.A. = 3h47m29s.90, Decl. = +23o33'15".7 (equinox 2000.0; uncertainty 0".3 in each coordinate). The USNO-B1.0 catalogue has a red star (1135-0042434) at this position (end figures 29s.897, 15".47; B-V approximately +1.5). Masi provides the following red magnitudes for the variable: Oct. 29.9000, [19:; 29.9090, 19.0; 29.9181, 18.5; 29.9271, 16.6; 29.9361, 14.3; 29.9452, 14.6. Masi comments that the object seems to be real, having a profile and a FWHM similar to the stars around it. An animation video by Raffaele is posted at the following website URL: http://www.youtube.com/watch?v=FIc2pqnZ3KQ.

Abstract Copyright: ∼

Journal keyword(s):

Status at CDS : Objects in title, abstract, text, figures, and all or part of small table(s) being processed in SIMBAD.

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	Cl* Melotte 22 STAR 13	Er*	03 47 29.9222910768	+23 33 15.208155900					16.62	M5.5	41	0

Query : 2010IAUC.9181....2C

Basic data :

Cl* Melotte 22 STAR 13 -- Eruptive Variable

* (2021ApJS,Cl*,...), Er* (2017ARep), NIR (2MASS,UGCS), V* (V*)

03 47 29.9222910768 +23 33 15.208155900 (Optical) [ 0.1606 0.1224 90 ] A 2020yCat.1350....0G

03 44 31.9109584298 +23 24 04.396360581 [ 0.1606 0.1224 90 ]

167.0769142329955 -23.8594463360591 [ 0.1606 0.1224 90 ]

18.651 -45.245 [0.185 0.152 90] A 2020yCat.1350....0G

V(km/s) 9.9 [2.3] / z(spectroscopic) 0.000033 [0.000008] / cz 9.90 [2.30] (Opt) C 2018MNRAS.476.3245J

7.0722 [0.1836] A 2020yCat.1350....0G

M5.5 D ~

G 18.288031 [0.003379] C 2020yCat.1350....0G

I 16.62 [~] D 2007ApJS..172..663S

J 14.737 [0.039] C 2003yCat.2246....0C

H 14.167 [0.044] C 2003yCat.2246....0C

K 13.741 [0.044] C 2003yCat.2246....0C

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*`Cl Melotte 22 HHJ 16`**	`DANCe J03472993+2333151`	`TIC 440681478`	*`V V1380 Tau`**
*`Cl Melotte 22 MSH 195`**	`EPIC 211036595`	`UGCS J034729.92+233314.9`	`Gaia DR3 64993579724240896`
*`Cl Melotte 22 STAR 13`**	`2MASS J03472992+2333151`	`USNO-B1.0 1135-00042434`	`Gaia DR2 64993579724240896`

References (41 between 1850 and 2026) (Total 41)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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`2MASS J03472992+2333151`	`UGCS J034729.92+233314.9`	`USNO-B1.0 1135-00042434`	*`V V1380 Tau`**	`Gaia DR3 64993579724240896`
`Gaia DR2 64993579724240896`

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