V640-Mon (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From South El Monte , V640-Mon is visible in the dawn sky, rising at 03:05 (PDT) – 3 hours and 11 minutes before the Sun – and reaching an altitude of 25° above the eastern horizon before fading from view as dawn breaks at around 05:13.

Name V640-Mon
Object type Star
Other names
V640 Mon
HR 2422[1]
HD 47129
HIP 31646[3]
TYC 158-1594-1[2]
Gaia EDR3- 3131898712120792064[4]
Position
Right ascension:06h37m24s [4]
Declination:+06°08'07" [4]
Constellation:Monoceros
Magnitude:
Variable
6.07 (V) [2]
6.07 (BT) [2]
6.07 (VT) [2]
6.02 (G) [4]
6.01 (BP) [4]
5.91 (RP) [4]
Distance:1.3 kpc
4.3 klyr [4]
Proper motion (speed):2.4 mas/yr[4]
Proper motion (pos ang):300.6°
Derived quantities
Absolute mag (V):-4.52

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