HD 53811

HD 53811
	Location of HD 53811 (circled)
Observation data; Epoch J2000 Equinox J2000
Constellation	Puppis
Right ascension	07h 03m 53.60846s
Declination	−49° 35′ 02.1009″
Apparent magnitude (V)	4.92
Characteristics
Spectral type	A4IV
U−B color index	+0.12
B−V color index	+0.14
Astrometry
Radial velocity (Rv)	+26.80 km/s
Proper motion (μ)	RA: −52.78 mas/yr ; Dec.: +140.27 mas/yr
Parallax (π)	16.51±0.42 mas
Distance	198 ± 5 ly ; (61 ± 2 pc)
Absolute magnitude (MV)	1.01
Details
Mass	2.02 M☉
Radius	2.6 R☉
Luminosity	33.04 L☉
Surface gravity (log g)	3.95 cgs
Temperature	8,396 K
Rotational velocity (v sin i)	59 km/s
Other designations
	H Puppis, CD−49°2587, GC 9348, GSC 08126-02550, HIP 34059, HR 2672, HD 53811, SAO 218427
Database references
SIMBAD	data

HD 53811 is a class A4IV^[3] (white subgiant) star in the constellation Puppis. Its apparent magnitude is 4.92^[2] and it is approximately 198 light years away based on parallax.^[1]

Quick facts Observation data Epoch J2000 Equinox J2000, Constellation ...

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Observation data Epoch J2000 Equinox J2000
Location of HD 53811 (circled)
Constellation	Puppis
Right ascension	07^h 03^m 53.60846^s^[1]
Declination	−49° 35′ 02.1009″^[1]
Apparent magnitude (V)	4.92^[2]
Characteristics
Spectral type	A4IV^[3]
U−B color index	+0.12^[4]
B−V color index	+0.14^[5]
Astrometry

Radial velocity (R_v)	+26.80^[6] km/s
Proper motion (μ)	RA: −52.78^[1] mas/yr Dec.: +140.27^[1] mas/yr
Parallax (π)	16.51±0.42 mas^[1]
Distance	198 ± 5 ly (61 ± 2 pc)
Absolute magnitude (M_V)	1.01^[2]

Details

Mass	2.02^[7] `M`_☉
Radius	2.6^[7] `R`_☉
Luminosity	33.04^[2] `L`_☉
Surface gravity (log g)	3.95^[8] cgs
Temperature	8,396^[8] K
Rotational velocity (v sin i)	59^[3] km/s

Other designations
H Puppis, CD−49°2587, GC 9348, GSC 08126-02550, HIP 34059, HR 2672, HD 53811, SAO 218427
Database references
SIMBAD	data

HD 53811

References

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