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TZ Boo

BVRc Photometry of TZ Boo

Eclipsing binary of W UMa type

TZ Boo = BD+40 2857 = GSC 03045-00893 = HIC 74061 = HIP 74061 = 2MASS J15080914+395812

ICRS coord. (ep=J2000):15 08 09.13 +39 58 12.8

Gal coord. (ep=J2000) : 066.21435911 +59.00222970

Proper motions mas/yr : -89.15 59.15 [1.57 1.57 0]

Radial velocity : V(km/s) -36.70 [1.51]

Parallaxes (mas): 6.64 [1.54]

Spectral type: G2V

B 10.60

J 9.462

H 9.098

K 9.008

  • Observation at OTO
 Telescope: GSO 30cm RC f/8
 CCD:       FLI ML6303
 Filter:    B(60sec), V(60sec), Rc(30sec)
 Comparison stars:
  • Light Curve of TZ Boo

MinI = 2452500.188 + 0. d 2971604 × E Kreiner (2004)

MinI = HJD 2452500.1602(17) + 0.29715993(16)×E − 0.09×10^−10 × E^2 Christpoulou (2011)

In 2019 season

  • Jan 2, 2019

TZ_Boo486BVR.png

  • Jan 3, 2019

TZ_Boo487BVR.png


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Last modified:2019/01/04 15:00:47
Keyword(s):[TZ Boo] [Photometry] [Binary system]
References:[食連星の観測のページ]