23309+6954 HJ 1890 AB
23h 30m 56.60s +69° 54' 07.7" P.A. 238.00 sep 8.6 mag 11.06,12.90
| Coord 2000 |
23309+6954 |
|
Discov num |
HJ 1890 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 30 56.60 +69 54 07.7 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
228 |
|
Pa last |
237.6 |
|
P.A. Now (θ) |
237.6° |
|
| Sep first |
6.0 |
|
Sep last |
8.616 |
|
Sep. Now (ρ) |
8.616" |
|
| Mag pri |
11.06 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
1.84 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-025 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-012 |
|
| Notes |
|
|
rPM=0.997
This double is not physical.
23309+6954 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
23 30 57 +69 54 08 |
HJ 1890 AB |
2015 |
9 |
238 |
8.6 |
11.06 |
12.90 |
1.84 |
|
<=== |
| Show |
|
|
23 30 57 +69 54 08 |
VBS 38 AC |
2015 |
7 |
144 |
43.7 |
11.06 |
13.20 |
2.14 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4482-00417-1 |
|
Gaia DR2 |
2214919311772317568 |
|
