04224+2049 BU 87 (HD 27639)
04h 22m 22.74s +20° 49' 16.4" P.A. 168.00 sep 1.9 mag 6.21,8.60 Sp B3V+K3II dist. 714.29 pc (2330.01 l.y.)
Coord 2000 |
04224+2049 |
|
Discov num |
BU 87 |
|
Comp |
|
|
Coord arcsec 2000 |
04 22 22.74 +20 49 16.4 |
|
Date first |
1873 |
|
Date last |
2016 |
|
Obs |
41 |
|
Pa first |
180 |
|
Pa last |
167.8 |
|
P.A. Now (θ) |
167.8° |
|
Sep first |
1.5 |
|
Sep last |
1.91 |
|
Sep. Now (ρ) |
1.91" |
|
Mag pri |
6.21 |
|
Mag sec |
8.60 |
|
delta mag (ΔM) |
2.39 |
|
Spectral class |
B3V+K3II (blue-white/yellow-orange) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 27639 |
|
Constellation |
Taurus |
|
SAO |
76571 |
|
HIP |
20417 |
|
Tycho2 |
1276-01625-1 |
|
Gaia DR2 |
49177620354353152 |
|
HD |
27639 |
|
HR |
1370 |
|
GC |
5289 |
|
ADS |
3158 |
|
BD |
BD+20 744 |
|
Distance |
714.29 |
|
Distance ly |
2330.01 |
|