20231+4037 TDT 2228 (HD 229177)
20h 23m 04.98s +40° 36' 36.0" P.A. 242.00 sep 0.4 mag 9.41,10.39 Sp B9
Coord 2000 |
20231+4037 |
|
Discov num |
TDT2228 |
|
Comp |
|
|
Coord arcsec 2000 |
20 23 04.98 +40 36 36.0 |
|
Date first |
1991 |
|
Date last |
2011 |
|
Obs |
2 |
|
Pa first |
251 |
|
Pa last |
241.7 |
|
P.A. Now (θ) |
241.7° |
|
Sep first |
0.4 |
|
Sep last |
0.38 |
|
Sep. Now (ρ) |
0.38" |
|
Mag pri |
9.41 |
|
Mag sec |
10.39 |
|
delta mag (ΔM) |
0.98 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 229177 |
|
Constellation |
Cygnus |
|
SAO |
49554 |
|
Tycho2 |
3156-00936-1 |
|
Gaia DR2 |
2067559567962683648 |
|
HD |
229177 |
|
DM |
BD+40 4143 |
|
WDS 20231+4037 TDT 2228 (HD 229177) : NOTES
No records found.
DISCOVERER
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20231+4037 |
TDT2228 |
|
1991 |
1 |
251 |
0.4 |
9.41 |
10.39 |
|
|
202304.98+403636.0 |
20231+4037 |
TDT2228 |
|
2011 |
2 |
242 |
0.4 |
9.41 |
10.39 |
B9 |
|
202304.98+403636.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20231+4037 TDT 2228 (HD 229177) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20231+4037 TDT 2228 (HD 229177) : MEASURES
No records found.
WDS 20231+4037 (HD 229177) : VIRTUAL EYEPIECE

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|
|
WDS 20231+4037 (HD 229177) : ALADIN DSS IMAGE @ 20h 23m 04.98s +40° 36' 36.0"
WDS 20231+4037 TDT 2228 (HD 229177) : 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 |
|
20231+4037 |
TDT2228 |
|
242 |
0.4 |
0 |
Show |
|
20232+4046 |
ES 1677 |
|
270 |
7.4 |
10 |
Show |
|
20231+4047 |
J 787 |
CD |
292 |
25.3 |
11 |
Show |
|
20231+4047 |
J 787 |
AB |
165 |
2.6 |
11 |
Show |
|
20231+4047 |
J 787 |
AC |
112 |
9.5 |
11 |
Show |
|
20231+4047 |
J 787 |
AD |
293 |
15.8 |
11 |
Show |
|
20231+4048 |
GRF 15 |
|
139 |
199.3 |
12 |
Show |
|
20221+4042 |
ES 1676 |
|
285 |
2.4 |
14 |
Show |
|
20232+4052 |
CIA 46 |
|
14 |
0.0 |
16 |
Show |
Sadr |
20222+4015 |
BU 665 |
A,BC |
197 |
147.1 |
24 |
Show |
|
20210+4041 |
TDT2199 |
|
122 |
0.8 |
24 |
Show |
|
20251+4042 |
TDT2253 |
|
239 |
2.4 |
24 |
Show |
|
20222+4015 |
BU 665 |
BC,D |
131 |
41.0 |
26 |
Show |
|
20222+4015 |
BU 665 |
BC |
302 |
1.9 |
26 |
Show |
|
20207+4031 |
TDT2193 |
|
288 |
1.2 |
28 |
Show |
|
20248+4009 |
HO 278 |
|
70 |
0.1 |
34 |
Show |
|
20204+4021 |
TDT2186 |
|
349 |
0.5 |
35 |
Show |
|
20254+4014 |
MLR 1 |
|
213 |
0.4 |
36 |
Show |
|
20259+4019 |
ALI1142 |
|
56 |
12.1 |
37 |
Show |
|
20244+4002 |
MLB 21 |
|
15 |
8.8 |
37 |
Show |
|
20264+4029 |
MLB1087 |
|
98 |
9.5 |
39 |
Show |
|
20253+4003 |
MLB 22 |
|
227 |
6.2 |
42 |
Show |
|
20255+4006 |
D 22 |
AB |
163 |
2.9 |
42 |
Show |
|
20255+4006 |
D 22 |
AC |
114 |
18.1 |
42 |
Show |
|
20255+4006 |
POP 224 |
AD |
98 |
71.2 |
42 |
Show |
|
20257+4004 |
TOR 25 |
AB |
191 |
4.7 |
45 |
Show |
|
20257+4004 |
POP 199 |
AC |
245 |
59.6 |
45 |
Show |
|
20197+4108 |
STTA205 |
|
321 |
45.5 |
50 |
Show |
|
20203+3958 |
BRT2260 |
|
9 |
3.2 |
50 |
Show |
|
20215+3950 |
SEI1103 |
|
223 |
17.0 |
51 |
Show |
|
20199+4000 |
MLB1015 |
|
89 |
4.0 |
52 |
Show |
|
20184+4033 |
ARN 49 |
|
313 |
30.2 |
54 |
Show |
|
20205+4127 |
LI 4 |
|
333 |
8.9 |
54 |
Show |
|
20278+4036 |
TDT2294 |
|
310 |
2.2 |
54 |
Show |
|
20215+4127 |
TDT2203 |
|
225 |
0.7 |
54 |
Show |
|
20205+4122 |
LI 5 |
AB |
145 |
8.8 |
55 |
Show |
|
20205+4122 |
FAB 15 |
AC |
203 |
19.5 |
55 |
Show |
|
20198+3958 |
MLB1014 |
|
241 |
7.6 |
55 |
Show |
|
20212+4128 |
A 287 |
|
132 |
1.5 |
56 |
Show |
|
20181+4044 |
CHR 96 |
Aa,Ab |
151 |
0.1 |
57 |
Show |
|
20181+4044 |
STF2666 |
AB |
245 |
2.8 |
57 |
Show |
|
20181+4044 |
STF2666 |
AC |
207 |
34.0 |
57 |
Show |
|
20181+4044 |
TAR 5 |
AD |
181 |
49.6 |
57 |
Show |
|
20181+4044 |
STF2666 |
CD |
142 |
24.1 |
58 |
Show |
|
20274+4107 |
TDT2288 |
|
181 |
2.5 |
58 |
Show |
|
20254+4129 |
COU2642 |
|
321 |
0.7 |
59 |
Show |
|
20283+4038 |
TDT2306 |
|
156 |
1.1 |
59 |
Show |
|
20237+3937 |
ALI1141 |
|
21 |
11.5 |
60 |
Show |
|
20177+4030 |
HDS2897 |
|
273 |
0.3 |
62 |
Show |
|
20264+4125 |
A 292 |
|
134 |
2.1 |
62 |
Show |
|
20187+4113 |
COU2640 |
|
265 |
0.5 |
62 |
|
|
WDS 20231+4037 : COMPONENTS
20231+4037 A
Name |
HD 229177 |
|
Coord arcsec 2000 |
202304.98+403636.0 |
|
Mag |
9.41 |
|
Spectral class |
B9 (blue-white) |
|
PmRA |
3.00 |
|
PmDE |
-3.0 |
|
SAO |
49554 |
|
Tycho2 |
3156-00936-1 |
|
HD |
229177 |
|
DM |
BD+40 4143 |
|
Tycho2 |
3156-00936-1 |
|
Pflag |
|
|
RAmdeg |
305.77071600 |
|
DEmdeg |
40.60999713 |
|
PmRA |
3.0 |
|
PmDE |
-3.0 |
|
E RAmdeg |
9 |
|
E DEmdeg |
9 |
|
E pmRA |
1.0 |
|
E pmDE |
1.0 |
|
EpRAm |
1990.62 |
|
EpDEm |
1990.55 |
|
Num |
8 |
|
Q RAmdeg |
1.1 |
|
Q DEmdeg |
0.7 |
|
Q pmRA |
1.1 |
|
Q pmDE |
0.6 |
|
BTmag |
9.098 |
|
E BTmag |
0.018 |
|
VTmag |
9.120 |
|
E VTmag |
0.018 |
|
Prox |
357 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
305.77070722 |
|
DEdeg |
40.61000417 |
|
EpRA 1990 |
1.75 |
|
EpDE 1990 |
1.68 |
|
E RAdeg |
8.6 |
|
E DEdeg |
8.8 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
49554 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0002 |
|
DE1950 |
|
|
PmDE1950 |
-0.034 |
|
Vmag |
8.8 |
|
SpType |
A0 |
|
Double code |
|
|
Source |
4 |
|
CatNum |
2029 |
|
DM |
BD+40 4143 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
229177 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
5.32890116 |
|
DE1950rad |
0.70595221 |
|
PmRA2000 |
0.0001 |
|
PmDE2000 |
-0.036 |
|
20231+4037 B
Coord arcsec 2000 |
202304.96+403635.8 |
|
Mag |
10.39 |
|
PmRA |
3.00 |
|
PmDE |
-3.0 |
|
Calc delta mag |
0.98 |
|
Calc coord |
yes |
|