22359+3938 STF 2922 AB (8 Lac)
22h 35m 52.28s +39° 38' 03.6" P.A. 186.00 sep 22.5 mag 5.66,6.29 Sp B2Ve+B5 dist. 662.25 pc (2160.26 l.y.)
Coord 2000 |
22359+3938 |
|
Discov num |
STF2922 |
|
Comp |
AB |
|
Coord arcsec 2000 |
22 35 52.28 +39 38 03.6 |
|
Date first |
1782 |
|
Date last |
2020 |
|
Obs |
171 |
|
Pa first |
186 |
|
Pa last |
185.5 |
|
P.A. Now (θ) |
185.5° |
|
Sep first |
17.2 |
|
Sep last |
22.48 |
|
Sep. Now (ρ) |
22.48" |
|
Mag pri |
5.66 |
|
Mag sec |
6.29 |
|
delta mag (ΔM) |
0.63 |
|
Spectral class |
B2Ve+B5 (blue-white/blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-006 |
|
Notes |
N
(See Notes) |
|
rPM=0.994
This double is not physical.
22359+3938 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
72508 |
22 35 52 +39 38 04 |
CHR 112 Aa,Ab |
2020 |
34 |
138 |
0.0 |
5.66 |
|
|
Y |
|
Show |
8 Lac |
72508 |
22 35 52 +39 38 04 |
STF 2922 AB |
2020 |
171 |
186 |
22.5 |
5.66 |
6.29 |
0.63 |
|
<=== |
Show |
|
72508 |
22 35 52 +39 38 04 |
A 1469 AC |
2016 |
30 |
167 |
48.8 |
5.66 |
10.38 |
4.72 |
|
|
Show |
|
72508 |
22 35 52 +39 38 04 |
A 1469 AD |
2017 |
64 |
145 |
81.6 |
5.66 |
9.08 |
3.42 |
|
|
Show |
|
72508 |
22 35 52 +39 38 04 |
A 1469 AE |
2016 |
19 |
239 |
335.2 |
5.66 |
7.25 |
1.59 |
|
|
Show |
|
72508 |
22 35 52 +39 38 04 |
DAL 28 AG |
2015 |
6 |
193 |
77.6 |
5.66 |
14.08 |
8.42 |
|
|
Show |
|
72509 |
22 35 52 +39 37 41 |
STF 2922 BC |
2016 |
49 |
154 |
28.3 |
6.29 |
10.38 |
4.09 |
|
|
Show |
|
72509 |
22 35 52 +39 37 41 |
A 1469 BD |
2016 |
52 |
130 |
66.9 |
6.29 |
9.08 |
2.79 |
|
|
Show |
|
72509 |
22 35 52 +39 37 41 |
A 1469 BE |
2009 |
15 |
242 |
324.0 |
6.29 |
7.25 |
0.96 |
|
|
Show |
|
72509 |
22 35 52 +39 37 41 |
COM 8 BF |
2012 |
6 |
175 |
127.6 |
6.29 |
10.97 |
4.68 |
|
|
Show |
|
|
22 35 53 +39 37 16 |
A 1469 CD |
2016 |
32 |
115 |
42.4 |
10.38 |
9.08 |
1.30 |
|
|
Show |
|
|
22 35 53 +39 37 16 |
A 1469 CH |
2015 |
3 |
255 |
1.7 |
10.38 |
14.60 |
4.22 |
|
|
Show |
|
|
22 35 56 +39 36 58 |
A 1469 DI |
2015 |
14 |
227 |
10.0 |
9.08 |
13.30 |
4.22 |
|
|
Show |
|
|
22 35 51 +39 36 48 |
DAL 28 GJ |
2016 |
9 |
78 |
6.5 |
14.08 |
12.99 |
1.09 |
|
|
11-fold system
10 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
8 Lac |
|
Var name |
NSV14242 Lac |
|
Constellation |
Lacerta |
|
SAO |
72508 |
|
HIP |
111546 |
|
Tycho2 |
3205-02482-1 |
|
Gaia DR2 |
1908368597999299840 |
|
HD |
214167 |
|
HR |
8603 |
|
GC |
31550 |
|
ADS |
16095 |
|
BD |
BD+38 4808 |
|
Flamsteed |
8 Lacertae |
|
Flamsteed name |
8 Lac |
|
Distance |
662.25 |
|
Distance ly |
2160.26 |
|
WDS 22359+3938 STF 2922 AB (8 Lac) : NOTES
discov_num |
notes |
refcode |
CHR 112 |
8 Lac. A shows variable velocity, possibly due to motion in the Aa,Ab |
|
|
system. Shell star. |
|
STF2922 |
AB: H 4 86. |
MEv2010 |
REFERENCES
refcode |
metd |
author |
reference |
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
A |
Aitken, R.G. |
312 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
314 |
COM |
Comstock, G.C. |
341 |
DAL |
Daley, J.A. |
391 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
22359+3938 |
STF2922 |
AB |
2007 |
146 |
185 |
22.2 |
5.66 |
6.29 |
B2Ve B5 |
D |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2008 |
149 |
185 |
22.2 |
5.66 |
6.29 |
B2Ve B5 |
D |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2010 |
152 |
185 |
22.4 |
5.66 |
6.29 |
B2Ve B5 |
N D |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2011 |
155 |
186 |
22.4 |
5.66 |
6.29 |
B2Ve B5 |
N D |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2012 |
156 |
185 |
22.3 |
5.66 |
6.29 |
B2Ve B5 |
N D |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2014 |
163 |
185 |
22.4 |
5.66 |
6.29 |
B2Ve B5 |
N D |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2016 |
165 |
185 |
22.5 |
5.66 |
6.29 |
B2Ve+B5 |
N |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2017 |
167 |
185 |
22.3 |
5.66 |
6.29 |
B2Ve+B5 |
N |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2018 |
169 |
186 |
22.3 |
5.66 |
6.29 |
B2Ve+B5 |
N |
223552.28+393803.6 |
22359+3938 |
STF2922 |
AB |
2020 |
171 |
186 |
22.5 |
5.66 |
6.29 |
B2Ve+B5 |
N |
223552.28+393803.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 22359+3938 STF 2922 AB (8 Lac) : VISUAL OBSERVATIONS REPORTS
WDS 22359+3938 STF 2922 AB (8 Lac) : MEASURES
Records found: 1
WDS 22359+3938 (8 Lac) : VIRTUAL EYEPIECE
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|
|
WDS 22359+3938 (8 Lac) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.