18213-0254 STFB 8 (Eta Ser)
18h 21m 18.60s -02° 53' 55.8" P.A. 54.00 sep 251.4 mag 3.34,10.87 Sp K2IIIab dist. 18.54 pc (60.48 l.y.)
Coord 2000 |
18213-0254 |
|
Discov num |
STFB 8 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 18.60 -02 53 55.8 |
|
Date first |
1835 |
|
Date last |
2010 |
|
Obs |
25 |
|
Pa first |
77 |
|
Pa last |
54.2 |
|
P.A. Now (θ) |
54.2° |
|
Sep first |
110.9 |
|
Sep last |
251.38 |
|
Sep. Now (ρ) |
251.38" |
|
Mag pri |
3.34 |
|
Mag sec |
10.87 |
|
delta mag (ΔM) |
7.53 |
|
Spectral class |
K2IIIab (yellow-orange) |
|
Pri motion ra |
-548 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-701 |
|
Sec motion dec |
-007 |
|
Notes |
N
L
U
(See Notes, Linear solution, Proper motion indicates non-physical) |
|
rPM=0.994
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
Eta Ser |
|
Var name |
NSV10675 Ser |
|
Constellation |
Serpens |
|
SAO |
142241 |
|
HIP |
89962 |
|
Tycho2 |
5102-00416-1 |
|
HD |
168723 |
|
HR |
6869 |
|
GC |
25046 |
|
GL |
Gl 711 |
|
BD |
BD-02 4599 |
|
Bayer |
Eta Serpentis |
|
Bayer name |
Eta Ser |
|
Flamsteed |
58 Serpentis |
|
Flamsteed name |
58 Ser |
|
FK5 |
688 |
|
Distance |
18.54 |
|
Distance ly |
60.48 |
|
Bayer greek |
η Ser |
|
WDS 18213-0254 STFB 8 (Eta Ser) : NOTES
discov_num |
notes |
refcode |
STFB 8 |
eta Ser = 58 Ser |
|
|
Optical pair, based on study of relative motion of the components |
|
|
using the method of apparent motion parameters. |
Kiy2008 |
|
H 6 14. |
MEv2010 |
REFERENCES
refcode |
metd |
author |
reference |
Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
Kiy2008 |
|
SvAL 34, 405, 2008 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
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 |
18213-0254 |
STFB 8 |
|
1999 |
21 |
55 |
242.9 |
3.34 |
10.87 |
K2IIIab |
NLD |
182118.60-025355.8 |
18213-0254 |
STFB 8 |
|
2009 |
22 |
55 |
250.8 |
3.34 |
10.87 |
K2IIIab |
NLD |
182118.60-025355.8 |
18213-0254 |
STFB 8 |
|
2010 |
25 |
54 |
251.4 |
3.34 |
10.87 |
K2IIIab |
NL U |
182118.60-025355.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18213-0254 STFB 8 (Eta Ser) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18213-0254 STFB 8 (Eta Ser) : MEASURES
No records found.
WDS 18213-0254 (Eta Ser) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 18213-0254 (Eta Ser) : ALADIN DSS IMAGE @ 18h 21m 18.60s -02° 53' 55.8"
WDS 18213-0254 STFB 8 (Eta Ser) : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
18213-0254 |
STFB 8 |
|
54 |
251.4 |
|
Show |
|
18241-0335 |
TOK 616 |
|
288 |
279.1 |
59 |
Show |
|
18175-0323 |
HTP 45 |
AB |
6 |
16.6 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AG |
89 |
17.7 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AH |
175 |
14.8 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AI |
80 |
12.6 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AK |
190 |
12.6 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AL |
305 |
19.1 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AN |
354 |
12.2 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AQ |
228 |
16.8 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AR |
267 |
14.7 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AS |
337 |
15.9 |
65 |
Show |
|
18175-0323 |
HTP 45 |
AV |
243 |
14.0 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wa |
252 |
5.4 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wb |
264 |
7.2 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wc |
305 |
17.0 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,We |
33 |
17.3 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wg |
284 |
15.8 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wj |
316 |
10.2 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wn |
216 |
12.7 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wo |
213 |
12.5 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wp |
270 |
18.2 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Wq |
269 |
18.0 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xa |
221 |
13.3 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xb |
268 |
17.9 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xc |
44 |
21.4 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xd |
51 |
23.8 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xe |
249 |
24.3 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xf |
311 |
24.8 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xg |
41 |
25.5 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xh |
250 |
26.0 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xi |
330 |
27.7 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xj |
328 |
28.2 |
65 |
Show |
|
18175-0323 |
HTP 45 |
A,Xk |
35 |
29.8 |
65 |
Show |
|
18264-0254 |
A 85 |
|
190 |
4.2 |
76 |
Show |
|
18265-0226 |
GRV1262 |
|
210 |
1.6 |
83 |
Show |
|
18243-0405 |
YSC 67 |
AB |
356 |
0.4 |
85 |
Show |
|
18243-0405 |
TOK 420 |
Aa,Ab |
91 |
0.0 |
85 |
Show |
|
18157-0321 |
STF2296 |
|
6 |
3.2 |
89 |
Show |
|
18252-0143 |
LSC 156 |
|
23 |
0.2 |
92 |
Show |
|
18226-0428 |
LDS5862 |
|
356 |
4.3 |
94 |
Show |
|
18155-0220 |
LDS6324 |
|
10 |
34.6 |
94 |
Show |
|
18222-0119 |
BAL 580 |
|
113 |
14.6 |
96 |
Show |
|
18250-0135 |
AC 11 |
|
355 |
0.9 |
97 |
Show |
|
18148-0231 |
A 84 |
|
318 |
3.9 |
101 |
Show |
|
18181-0120 |
HDS2587 |
AB |
181 |
0.1 |
106 |
Show |
|
18181-0120 |
GII 265 |
AC |
167 |
1.8 |
106 |
Show |
|
18210-0101 |
WOR 35 |
|
2 |
1.4 |
112 |
Show |
|
18185-0105 |
TDT 786 |
|
45 |
2.3 |
117 |
Show |
|
18293-0246 |
HJ 859 |
|
217 |
16.9 |
120 |
Show |
|
18284-0353 |
CRI 19 |
|
235 |
8.3 |
122 |
|
|
WDS 18213-0254 : COMPONENTS
18213-0254 A
Componente originario normalizzato |
AB |
|
Name |
Eta Ser |
|
Coord arcsec 2000 |
182118.60-025355.8 |
|
Mag |
3.34 |
|
Spectral class |
K2IIIab (yellow-orange) |
|
PmRA |
-548.00 |
|
PmDE |
-701.0 |
|
SAO |
142241 |
|
HIP |
89962 |
|
Tycho2 |
5102-00416-1 |
|
HD |
168723 |
|
HR |
6869 |
|
GC |
25046 |
|
BD |
BD-02 4599 |
|
Bayer |
Eta Serpentis |
|
Bayer name |
Eta |
|
Flamsteed |
58 Serpentis |
|
Flamsteed name |
58 Ser |
|
FK5 |
688 |
|
Tycho2 |
5102-00416-1 |
|
Pflag |
|
|
RAmdeg |
275.32750215 |
|
DEmdeg |
-2.89882468 |
|
PmRA |
-547.8 |
|
PmDE |
-700.8 |
|
E RAmdeg |
3 |
|
E DEmdeg |
4 |
|
E pmRA |
0.3 |
|
E pmDE |
0.3 |
|
EpRAm |
1989.91 |
|
EpDEm |
1988.94 |
|
Num |
23 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.0 |
|
Q pmDE |
1.0 |
|
BTmag |
4.428 |
|
E BTmag |
0.014 |
|
VTmag |
3.337 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
89962 |
|
CCDM |
|
|
RAdeg |
275.32876528 |
|
DEdeg |
-2.89718611 |
|
EpRA 1990 |
1.71 |
|
EpDE 1990 |
1.58 |
|
E RAdeg |
3.3 |
|
E DEdeg |
3.5 |
|
Posflg |
|
|
Corr |
-0.1 |
|
SAO |
142241 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.037 |
|
DE1950 |
|
|
PmDE1950 |
-0.697 |
|
Vmag |
3.4 |
|
SpType |
K0 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
688 |
|
DM |
BD-02 4599 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
168723 |
|
M HD |
0 |
|
GC |
25046 |
|
RA1950rad |
4.79407513 |
|
DE1950rad |
-0.05084825 |
|
PmRA2000 |
-0.0366 |
|
PmDE2000 |
-0.7 |
|
Catalog |
H |
|
HIP |
89962 |
|
Proxy |
|
|
RAhms |
18 21 18.92 |
|
DEdms |
-02 53 49.6 |
|
Vmag |
3.23 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
275.329 |
|
DEdeg |
-2.89712 |
|
AstroRef |
|
|
Plx |
52.81 |
|
CCDM |
18214-0253 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
168723 |
|
BD |
BD-02 4599 |
|
CD |
|
|
CP |
|
|
Dm number |
-02 4599 |
|
VIred |
0.96 |
|
SpType |
K0III-IV |
|
R SpType |
|
|
Coord arcsec 2000 |
182118.92-025349.6 |
|
HIP |
89962 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
4.8053947027 |
|
DErad |
-0.0505643176 |
|
Plx |
53.93 |
|
PmRA |
-547.75 |
|
PmDE |
-701.42 |
|
E RArad |
0.16 |
|
E DErad |
0.12 |
|
E Plx |
0.18 |
|
E pmRA |
0.16 |
|
E pmDE |
0.13 |
|
Hpmag |
3.3995 |
|
E Hpmag |
0.0006 |
|
SHp |
0.004 |
|
VA |
0 |
|
BV |
0.941 |
|
E BV |
0.006 |
|
VI |
0.96 |
|
18213-0254 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
182132.19-025128.8 |
|
Mag |
10.87 |
|
PmRA |
0.00 |
|
PmDE |
-7.0 |
|
Tycho2 |
5102-00071-1 |
|
Calc delta mag |
7.53 |
|
Calc coord |
yes |
|
Tycho2 |
5102-00071-1 |
|
Pflag |
|
|
RAmdeg |
275.38268703 |
|
DEmdeg |
-2.85972335 |
|
PmRA |
-1.0 |
|
PmDE |
-9.1 |
|
E RAmdeg |
33 |
|
E DEmdeg |
34 |
|
E pmRA |
1.7 |
|
E pmDE |
1.7 |
|
EpRAm |
1972.66 |
|
EpDEm |
1976.12 |
|
Num |
6 |
|
Q RAmdeg |
0.8 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
0.8 |
|
Q pmDE |
0.8 |
|
BTmag |
11.939 |
|
E BTmag |
0.128 |
|
VTmag |
10.868 |
|
E VTmag |
0.082 |
|
Prox |
999 |
|
TYC |
|
|
HIP |
|
|
CCDM |
|
|
RAdeg |
275.38271194 |
|
DEdeg |
-2.85969028 |
|
EpRA 1990 |
1.76 |
|
EpDE 1990 |
1.78 |
|
E RAdeg |
100.2 |
|
E DEdeg |
114.6 |
|
Posflg |
|
|
Corr |
0.0 |
|