18488+6853 LDS 2421
18h 48m 48.07s +68° 52' 35.7" P.A. 274.00 sep 34.6 mag 9.73,17.40 Sp G5V+DA dist. 78.86 pc (257.24 l.y.)
Coord 2000 |
18488+6853 |
|
Discov num |
LDS2421 |
|
Comp |
|
|
Coord arcsec 2000 |
18 48 48.07 +68 52 35.7 |
|
Date first |
1954 |
|
Date last |
2016 |
|
Obs |
14 |
|
Pa first |
274 |
|
Pa last |
274.3 |
|
P.A. Now (θ) |
274.3° |
|
Sep first |
33.0 |
|
Sep last |
34.591 |
|
Sep. Now (ρ) |
34.591" |
|
Mag pri |
9.73 |
|
Mag sec |
17.40 |
|
delta mag (ΔM) |
7.67 |
|
Spectral class |
G5V+DA (yellow/white dwarf) |
|
Pri motion ra |
+082 |
|
Sec motion ra |
+111 |
|
Pri motion dec |
+164 |
|
Sec motion dec |
+155 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.159 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
HIP |
92306 |
|
Tycho2 |
4431-00619-1 |
|
Gaia DR2 |
2259262615716342912 |
|
BD |
BD+68 1027 |
|
Distance |
78.86 |
|
Distance ly |
257.24 |
|
WDS 18488+6853 LDS 2421 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
LDS |
|
Luyten p.m. catalog (from additional DD list) |
................... |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18488+6853 |
LDS2421 |
|
1999 |
2 |
274 |
33.9 |
9.73 |
17.40 |
G5 |
DV |
184847.94+685234.3 |
18488+6853 |
LDS2421 |
|
2013 |
6 |
274 |
34.6 |
9.73 |
17.40 |
G5+DA |
V |
184847.94+685234.3 |
18488+6853 |
LDS2421 |
|
2015 |
8 |
274 |
34.6 |
9.73 |
17.40 |
G5V+DA |
V |
184848.07+685235.7 |
18488+6853 |
LDS2421 |
|
2016 |
14 |
274 |
34.6 |
9.73 |
17.40 |
G5V+DA |
V |
184848.07+685235.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18488+6853 LDS 2421 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18488+6853 LDS 2421 : MEASURES
No records found.
WDS 18488+6853 : 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 18488+6853 : ALADIN DSS IMAGE @ 18h 48m 48.07s +68° 52' 35.7"
WDS 18488+6853 LDS 2421 : 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 |
|
18488+6853 |
LDS2421 |
|
274 |
34.6 |
1 |
Show |
|
18484+6908 |
WFC 254 |
|
218 |
13.3 |
16 |
Show |
|
18457+6849 |
TDT1039 |
|
329 |
0.4 |
18 |
Show |
|
18463+6909 |
SKF2739 |
|
227 |
6.8 |
21 |
Show |
|
18440+6830 |
CTI 134 |
|
326 |
6.8 |
35 |
Show |
|
18497+6930 |
MLR 96 |
|
267 |
1.7 |
38 |
Show |
|
18549+6911 |
WFC 215 |
|
254 |
3.8 |
38 |
Show |
|
18402+6815 |
KPP 813 |
|
166 |
7.0 |
60 |
Show |
|
18411+6810 |
MLB 355 |
AB |
197 |
8.5 |
61 |
Show |
|
18411+6810 |
MLB 355 |
AC |
270 |
23.4 |
61 |
Show |
|
18393+6931 |
TOI1859 |
|
184 |
10.6 |
64 |
Show |
|
18551+6757 |
LDS2424 |
|
354 |
13.3 |
66 |
Show |
|
18562+6952 |
TDS 954 |
|
309 |
0.9 |
72 |
Show |
|
18383+6937 |
CTI 848 |
|
280 |
1.0 |
72 |
Show |
|
18473+7004 |
KPP1662 |
|
151 |
12.8 |
72 |
Show |
|
18414+7001 |
GNO 2 |
|
82 |
0.1 |
79 |
Show |
|
19024+6927 |
STF2478 |
|
316 |
1.0 |
80 |
Show |
|
18393+6955 |
WFC 211 |
|
68 |
9.5 |
81 |
Show |
|
18335+6929 |
MLR 95 |
|
44 |
0.2 |
90 |
Show |
|
18332+6929 |
SKF2738 |
|
333 |
15.2 |
91 |
Show |
|
19014+6737 |
UC 3764 |
|
311 |
35.3 |
103 |
Show |
|
18343+7003 |
KPP 764 |
|
231 |
6.6 |
104 |
Show |
|
18338+7003 |
STF2370 |
|
135 |
10.5 |
106 |
Show |
|
18535+7036 |
A 1172 |
|
261 |
6.8 |
106 |
Show |
|
19050+6928 |
LDS1899 |
|
250 |
3.2 |
107 |
Show |
|
18325+6957 |
STF2366 |
AB |
333 |
29.8 |
108 |
Show |
|
18325+6957 |
FOX9012 |
AC |
249 |
10.3 |
108 |
Show |
|
19083+6928 |
DAM 136 |
|
112 |
9.2 |
110 |
Show |
|
18581+6716 |
MLB 414 |
|
140 |
2.0 |
111 |
Show |
|
18543+6706 |
MLB 287 |
|
314 |
7.4 |
111 |
Show |
|
18543+6705 |
MLB1080 |
|
6 |
10.0 |
113 |
Show |
|
18339+7016 |
MLR 97 |
|
111 |
0.2 |
115 |
Show |
|
19079+6756 |
MLB1082 |
|
39 |
12.9 |
120 |
Show |
|
18384+6708 |
STF2384 |
AB |
307 |
0.4 |
121 |
Show |
|
18384+6708 |
STF2384 |
AB,C |
162 |
136.5 |
121 |
Show |
|
18446+6649 |
MLB 286 |
|
290 |
3.8 |
125 |
Show |
|
19022+6702 |
LDS2427 |
|
88 |
3.0 |
134 |
Show |
|
18364+6655 |
TOK 323 |
|
116 |
181.1 |
138 |
Show |
|
19067+6716 |
LDS2760 |
|
220 |
23.5 |
139 |
Show |
|
18484+7115 |
TDT1061 |
|
216 |
0.6 |
143 |
Show |
|
18409+6633 |
LDS2419 |
|
212 |
45.1 |
147 |
Show |
|
18592+6629 |
TDT1166 |
|
195 |
0.9 |
156 |
Show |
|
19078+6658 |
UC 3809 |
|
108 |
62.4 |
157 |
Show |
|
18427+6618 |
TOI1825 |
|
208 |
3.0 |
159 |
Show |
|
18441+7129 |
LDS1891 |
|
98 |
3.2 |
159 |
Show |
|
19000+6620 |
MLB1081 |
|
130 |
6.4 |
164 |
Show |
|
18317+7120 |
A 1170 |
|
188 |
0.9 |
172 |
Show |
|
19063+6632 |
TDT1225 |
|
96 |
2.4 |
173 |
Show |
|
18526+6556 |
LDS2423 |
|
359 |
11.1 |
179 |
Show |
|
18312+7131 |
WIS 328 |
|
182 |
940.0 |
182 |
Show |
|
19070+7143 |
TDT1228 |
|
225 |
0.9 |
194 |
|
|
WDS 18488+6853 : COMPONENTS
18488+6853 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
184848.07+685235.7 |
|
Mag |
9.73 |
|
Spectral class |
G5V (yellow) |
|
PmRA |
82.00 |
|
PmDE |
164.0 |
|
HIP |
92306 |
|
Tycho2 |
4431-00619-1 |
|
BD |
BD+68 1027 |
|
Tycho2 |
4431-00619-1 |
|
Pflag |
|
|
RAmdeg |
282.20032180 |
|
DEmdeg |
68.87659950 |
|
PmRA |
81.6 |
|
PmDE |
163.5 |
|
E RAmdeg |
16 |
|
E DEmdeg |
17 |
|
E pmRA |
1.5 |
|
E pmDE |
1.5 |
|
EpRAm |
1989.45 |
|
EpDEm |
1989.14 |
|
Num |
6 |
|
Q RAmdeg |
0.2 |
|
Q DEmdeg |
0.5 |
|
Q pmRA |
0.3 |
|
Q pmDE |
0.5 |
|
BTmag |
10.380 |
|
E BTmag |
0.032 |
|
VTmag |
9.780 |
|
E VTmag |
0.026 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
92306 |
|
CCDM |
|
|
RAdeg |
282.19980111 |
|
DEdeg |
68.87622111 |
|
EpRA 1990 |
1.71 |
|
EpDE 1990 |
1.65 |
|
E RAdeg |
17.0 |
|
E DEdeg |
17.5 |
|
Posflg |
|
|
Corr |
0.0 |
|
Catalog |
H |
|
HIP |
92306 |
|
Proxy |
|
|
RAhms |
18 48 47.94 |
|
DEdms |
+68 52 34.3 |
|
Vmag |
9.67 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
282.2 |
|
DEdeg |
68.8762 |
|
AstroRef |
|
|
Plx |
13.33 |
|
CCDM |
18487+6853 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
|
|
BD |
BD+68 1027 |
|
CD |
|
|
CP |
|
|
Dm number |
+68 1027 |
|
VIred |
0.66 |
|
SpType |
G5 |
|
R SpType |
|
|
Coord arcsec 2000 |
184847.94+685234.3 |
|
HIP |
92306 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
4.9253150312 |
|
DErad |
1.2021164535 |
|
Plx |
12.68 |
|
PmRA |
81.27 |
|
PmDE |
163.32 |
|
E RArad |
0.74 |
|
E DErad |
0.72 |
|
E Plx |
0.76 |
|
E pmRA |
0.81 |
|
E pmDE |
0.88 |
|
Hpmag |
9.8021 |
|
E Hpmag |
0.0019 |
|
SHp |
0.017 |
|
VA |
0 |
|
BV |
0.628 |
|
E BV |
0.038 |
|
VI |
0.7 |
|
18488+6853 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
184845.77+685238.3 |
|
Mag |
17.4 |
|
Spectral class |
DA (white dwarf) |
|
PmRA |
111.00 |
|
PmDE |
155.0 |
|
Calc delta mag |
7.67 |
|
Calc coord |
yes |
|