[vsnet-newvar 498] New variable star GSC 5101-0214 (HassfortherV17)

[Bela1996@aol.com]

New variable star discovered on Stardial-CCD-images (HassfortherV17):

2000 180951.24 -020042.0 HassfortherV17 7.9-8.4I SR P=60d

HassfortherV17
(2000) 18h09m51.24  -02 00.6996
= GSC 5101-0214
= IRAS 18072-0201

Checking 176 Stardial-images from 1996 to 2000 showed GSC 5101-0214
to be a new semiregular variable star with small amplitude
(about 0.5 in I) and a period of about 60 days.
The amplitude changes from 0.2 to 0.5 mag.

Differential photometry was done against GSC 5097-0241
(Tycho-Photometry: VT=9.735, BT=11.468).

A check of the available TASS-measurements proofed the star
to be slightly variable with small amplitude.
Judging from the TASS-Photometry the star is extremly red (V-I = +5.6):
V = 13.740  Error=0.394  n=11
I =  8.112  Error=0.129  n=31

Lightcurve: http://members.aol.com/bela1998/hassfortherv17.htm

Stardial: http://vsnet.astro.uiuc.edu/stardial/
TASS: http://vsnet.tass-survey.org/

Bela Hassforther, 09.07.2000

VSNET Home Page

Return to Daisaku Nogami

---

vsnet-adm@kusastro.kyoto-u.ac.jp