18430+3445 SEI 572 AB
18h 42m 58.63s +34° 45' 05.7" P.A. 53.00 sep 22.3 mag 11.00,11.00
| Coord 2000 |
18430+3445 |
|
Discov num |
SEI 572 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 42 58.63 +34 45 05.7 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
59 |
|
Pa last |
53.3 |
|
P.A. Now (θ) |
53.3° |
|
| Sep first |
23.6 |
|
Sep last |
22.262 |
|
Sep. Now (ρ) |
22.262" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+011 |
|
| Notes |
|
|
rPM=0.673
Nature of this double is uncertain.
18430+3445 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 42 59 +34 45 06 |
SEI 572 AB |
2015 |
14 |
53 |
22.3 |
11.00 |
11.00 |
0.00 |
|
<=== |
| Show |
|
|
18 42 59 +34 45 06 |
BKO 52 AC |
2015 |
11 |
147 |
18.7 |
11.00 |
12.40 |
1.40 |
|
|
| Show |
|
|
18 43 00 +34 45 19 |
BKO 52 BD |
2015 |
9 |
82 |
7.5 |
11.00 |
12.50 |
1.50 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Gaia DR2 |
2091857434906971520 |
|
