A²-Ser (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 , A²-Ser will become visible at around 20:18 (PDT), 40° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:50.

Name A²-Ser
Object type Star
Other names
A²-Ser
A2 Serpentis Caput
25-Ser
25 Serpentis Caput
HR 5863[1]
HD 140873
HIP 77227[3]
TYC 5018-1142-1[2]
Gaia EDR3- 4404012912170359424[4]
Position
Right ascension:15h46m05s [4]
Declination:−01°48'15" [4]
Constellation:Serpens Caput
Magnitude:5.38 (V) [2]
5.33 (BT) [2]
5.38 (VT) [2]
5.35 (G) [4]
5.33 (BP) [4]
5.35 (RP) [4]
Distance:132.9 parsec
433.3 lightyrs [4]
B-V Color (mag):-0.04
Proper motion (speed):37.9 mas/yr[4]
Proper motion (pos ang):215.6°
Derived quantities
Absolute mag (V):-0.23

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