20028+3742 SEI 817 (HD 227319)
20h 02m 49.34s +37° 42' 00.4" P.A. 102.00 sep 21.6 mag 10.02,12.20 Sp B
Coord 2000 |
20028+3742 |
|
Discov num |
SEI 817 |
|
Comp |
|
|
Coord arcsec 2000 |
20 02 49.34 +37 42 00.4 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
96 |
|
Pa last |
101.6 |
|
P.A. Now (θ) |
101.6° |
|
Sep first |
23.4 |
|
Sep last |
21.59 |
|
Sep. Now (ρ) |
21.59" |
|
Mag pri |
10.02 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2.18 |
|
Spectral class |
B (blue-white) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
-020 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-032 |
|
Notes |
|
|
rPM=0.75
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 227319 |
|
Constellation |
Cygnus |
|
Tycho2 |
3150-02492-1 |
|
Gaia DR2 |
2060329282612139520 |
|
HD |
227319 |
|