20042+3728 ALI 654
20h 04m 06.30s +37° 27' 59.8" P.A. 351.00 sep 10.9 mag 9.03,12.60 Sp B9
Coord 2000 |
20042+3728 |
|
Discov num |
ALI 654 |
|
Comp |
|
|
Coord arcsec 2000 |
20 04 06.30 +37 27 59.8 |
|
Date first |
1929 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
350 |
|
Pa last |
351.3 |
|
P.A. Now (θ) |
351.3° |
|
Sep first |
11.6 |
|
Sep last |
10.945 |
|
Sep. Now (ρ) |
10.945" |
|
Mag pri |
9.03 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
3.57 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=1.246
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
69349 |
|
Tycho2 |
2682-00072-1 |
|
Gaia DR2 |
2060269290504316544 |
|
HD |
190550 |
|
DM |
BD+37 3749 |
|