Star SDSS J2225+0016

Binary star SDSS J2225+0016 is located 711 light years away from the Sun. It consists of a white dwarf and a brown dwarf. For now, there are no known exoplanets in this star system.

SDSS J2225+0016 A

White dwarf

Location

Right ascension: 22h 25m 51.704s

Declination: 0° 16' 37.762'' (equatorial region)

Parallax: 4.585

Sun distance: 711.279 ly | 218.1 pc

Basic characteristic

Mass: 66 % M Sun

Temperature: 10926 K | 1.89 T Sun

Age: 1.97 billions years | 0.43 Sun

(No known exoplanets yet)

Photometry

K
2.1

H
1.6

J
1.2

Grp
0.8

I
0.8

G
0.6

V
0.5

Gbp
0.5

B
0.4

U
0.3

Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

SDSS J2225+0016 B

Brown dwarf (spectral class L4)

Location

Distance from the primary: 207 AU

Basic characteristic

Mass: 3.5 % M Sun | 37 M Jupiter

Size: 11 % R Sun | 1.1 R Jupiter

Temperature: 246 K | 0.04 T Sun

Age: 1.97 billions years | 0.43 Sun

(No known exoplanets yet)

More about SDSS J2225+0016

      SDSS J2225+0016 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.

Other designations of this star
SDSS J222551.65+001637.7AB

External sources

Discovery of a resolved white dwarf-brown dwarf binary with a small projected separation: SDSS J222551.65+001637.7AB

Scientific study, Submitted: 05. 01. 2023

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