17174+4221 SKF 2735 AB
17h 17m 26.46s +42° 20' 54.7" P.A. 299.00 sep 14.2 mag 15.20,16.30 Sp K:+K:
Coord 2000 |
17174+4221 |
|
Discov num |
SKF2735 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 17 26.46 +42 20 54.7 |
|
Date first |
1954 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
299 |
|
Pa last |
299.1 |
|
P.A. Now (θ) |
299.1° |
|
Sep first |
14.3 |
|
Sep last |
14.157 |
|
Sep. Now (ρ) |
14.157" |
|
Mag pri |
15.20 |
|
Mag sec |
16.30 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
K:+K: (yellow-orange/yellow-orange) |
|
Pri motion ra |
+015 |
|
Sec motion ra |
+018 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-015 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.154 (< 0.3, Physical double)
This double is physical.
17174+4221 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 17 26 +42 20 55 |
SKF 2735 AB |
2015 |
8 |
299 |
14.2 |
15.20 |
16.30 |
1.10 |
|
<=== |
Show |
|
|
17 17 26 +42 20 55 |
SKF 2735 AC |
2015 |
3 |
134 |
2.4 |
15.20 |
19.50 |
4.30 |
|
|
Show |
|
|
17 17 25 +42 21 02 |
SKF 2735 BC |
2016 |
1 |
121 |
16.5 |
15.58 |
19.51 |
3.93 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
1360126949059403136 |
|