20498+3833 HJ 1582 AB
20h 49m 47.53s +38° 33' 10.8" P.A. 45.00 sep 17.4 mag 8.44,12.80 Sp M
Coord 2000 |
20498+3833 |
|
Discov num |
HJ 1582 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 49 47.53 +38 33 10.8 |
|
Date first |
1905 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
47 |
|
Pa last |
45.1 |
|
P.A. Now (θ) |
45.1° |
|
Sep first |
17.1 |
|
Sep last |
17.424 |
|
Sep. Now (ρ) |
17.424" |
|
Mag pri |
8.44 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
4.36 |
|
Spectral class |
M (red) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=0.671
Nature of this double is uncertain.
20498+3833 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 49 48 +38 33 11 |
HJ 1582 AB |
2015 |
7 |
45 |
17.4 |
8.44 |
12.80 |
4.36 |
|
<=== |
Show |
|
|
20 49 48 +38 33 11 |
HJ 1582 AC |
2015 |
17 |
327 |
28.7 |
8.44 |
10.37 |
1.93 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3166-00031-1 |
|
Gaia DR2 |
1872729852743929728 |
|