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Current system
21281-1450
RST 4085
HD 204312


Nearby doubles
12' : 21288-1450
LDS 745

21' : 21286-1432
LDS1481

45' : 21279-1406
GWP3061

49' : 21249-1435
FOX 260

58' : 21289-1354
RST4086

62' : 21274-1349
RST4084

66' : 21314-1534
RST4088

76' : 21274-1335
HDS3054

83' : 21337-1444
HJ 3036

85' : 21279-1326
SCJ 28

85' : 21223-1455
BU 1262

88' : 21334-1412
KPP2339

93' : 21251-1612
GWP3059

97' : 21346-1435
KPP2220

97' : 21317-1330
SCJ 29

99' : 21314-1323
LDS1482

104' : 21245-1620
SLN 90

104' : 21269-1632
KPP1601

106' : 21230-1605
GWP3055

116' : 21337-1612
A 2096

117' : 21338-1329
GWP3074

120' : 21358-1407
UC 4503

131' : 21242-1253
HJ 5517

133' : 21345-1316
RST4089

134' : 21244-1248
BU 272

135' : 21352-1616
OCC 170



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21281-1450 RST 4085 (HD 204312)

 
 
21h 28m 03.79s -14° 49' 59.3" P.A. 279.00 sep 1.1 mag 9.58,12.43 Sp G8III/IV dist. 241.55 pc (787.94 l.y.)
 
 
Coord 2000 21281-1450 Discov num RST4085 Comp Coord arcsec 2000 21 28 03.79 -14 49 59.3
Date first 1936 Date last 1991 Obs 5
Pa first 280 Pa last 278.9 P.A. Now (θ) 278.9°
Sep first 0.7 Sep last 1.06 Sep. Now (ρ) 1.06"
Mag pri 9.58 Mag sec 12.43 delta mag (ΔM) 2.85 Spectral class G8III/IV (yellow)
Pri motion ra +040 Sec motion ra +032
Pri motion dec +002 Sec motion dec +006
Notes
rPM=0.223 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204312 Constellation Capricornus SAO 164410 HIP 105997
Tycho2 5798-00721-1 Gaia DR2 6842207812510015232 HD 204312 BD BD-15 5990
Distance 241.55 Distance ly 787.94
 
 
WDS 21281-1450 RST 4085 (HD 204312) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21281-1450 RST4085 1991 5 279 1.1 9.58 12.43 G8III/IV 212803.79-144959.3

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21281-1450 RST 4085 (HD 204312) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21281-1450 RST 4085 (HD 204312) : MEASURES
 
 
No records found.

 
 
WDS 21281-1450 (HD 204312) : VIRTUAL EYEPIECE
 
 

21281-1450 RST4085A mag 9.58 Sp G8III/IV 21281-1450 RST4085B sep 1.0 P.A. 279.20 mag 12.43 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21281-1450 (HD 204312) : ALADIN DSS IMAGE @ 21h 28m 03.79s -14° 49' 59.3"
 
 
 
 
WDS 21281-1450 RST 4085 (HD 204312) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21281-1450 RST4085 distance=0' 21288-1450 LDS 745 distance=12' 21286-1432 LDS1481 distance=21' 21279-1406 GWP3061 distance=45' 21249-1435 FOX 260 distance=49' 21289-1354 RST4086 distance=58' 21274-1349 RST4084 distance=62' 21314-1534 RST4088 distance=66' 21274-1335 HDS3054 distance=76' 21337-1444 HJ 3036 distance=83' 21279-1326 SCJ 28 distance=85' 21223-1455 BU 1262 distance=85' 21334-1412 KPP2339 distance=88' 21251-1612 GWP3059 distance=93' 21346-1435 KPP2220 distance=97' 21317-1330 SCJ 29 distance=97' 21314-1323 LDS1482 distance=99' 21245-1620 SLN 90 distance=104' 21269-1632 KPP1601 distance=104' 21230-1605 GWP3055 distance=106' 21337-1612 A 2096 distance=116' 21338-1329 GWP3074 distance=117' 21358-1407 UC 4503 distance=120' 21242-1253 HJ 5517 distance=131' 21345-1316 RST4089 distance=133' 21244-1248 BU 272 distance=134' 21352-1616 OCC 170 distance=135' 21191-1400 UC 4440 distance=140' 21187-1528 RST4081 distance=140' 21202-1330 HDS3037 distance=141' 21229-1246 OCC 24 distance=145' 21284-1715 RST3285 distance=146' 21293-1720 LEO 27AB distance=152' 21293-1720 SHT 37AC distance=152' 21293-1720 SHT 37AD distance=152' 21313-1716 RST3288 distance=153' 21357-1639 FAL 72 distance=156' 21278-1731 LDS4887 distance=161' 21371-1622 HJ 5282AB distance=161' 21371-1622 HJ 5282BC distance=162' 21375-1618 HJ 5284 distance=163' 21390-1527 HL 5 distance=163' 21341-1716 HJ 3037 distance=170' 21247-1737 CVR 899 distance=175' 21310-1740 HU 1313 distance=176' 21223-1213 GWP3053 distance=178' 21366-1243 GWP3077 distance=179' 21192-1247 KPP4232 distance=179' 21214-1219 HJ 280 distance=180' 21175-1625 KPP3120 distance=181' 21401-1405 GWP3082 distance=182' grafico limitrofi
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 21281-1450 RST4085 279 1.1
Show 21288-1450 LDS 745 81 14.3 12
Show 21286-1432 LDS1481 89 3.3 21
Show 21279-1406 GWP3061 265 42.1 45
Show 21249-1435 FOX 260 30 11.0 49
Show 21289-1354 RST4086 169 0.5 58
Show 21274-1349 RST4084 153 0.3 62
Show 21314-1534 RST4088 317 1.3 66
Show 21274-1335 HDS3054 357 0.1 76
Show 21337-1444 HJ 3036 91 6.1 83
Show 21279-1326 SCJ 28 134 3.0 85
Show 21223-1455 BU 1262 109 1.9 85
Show 21334-1412 KPP2339 129 20.0 88
Show 21251-1612 GWP3059 196 13.6 93
Show 21346-1435 KPP2220 238 18.4 97
Show 21317-1330 SCJ 29 292 58.3 97
Show 21314-1323 LDS1482 102 3.3 99
Show 21245-1620 SLN 90 8 7.6 104
Show 21269-1632 KPP1601 143 12.2 104
Show 21230-1605 GWP3055 236 74.4 106
Show 21337-1612 A 2096 15 0.9 116
Show 21338-1329 GWP3074 247 45.2 117
Show 21358-1407 UC 4503 123 6.9 120
Show 21242-1253 HJ 5517 312 51.3 131
Show 21345-1316 RST4089 32 1.2 133
Show 21244-1248 BU 272 256 4.8 134
Show 21352-1616 OCC 170 -1 0.1 135
Show 21191-1400 UC 4440 42 15.4 140
Show 21187-1528 RST4081 238 1.7 140
Show 21202-1330 HDS3037 157 0.3 141
Show 21229-1246 OCC 24 -1 0.1 145
Show 21284-1715 RST3285 242 2.9 146
Show 21293-1720 LEO 27 AB 3.4 152
Show 21293-1720 SHT 37 AC 326 35.5 152
Show 21293-1720 SHT 37 AD 330 27.1 152
Show 21313-1716 RST3288 121 3.1 153
Show 21357-1639 FAL 72 153 9.4 156
Show 21278-1731 LDS4887 243 53.5 161
Show 21371-1622 HJ 5282 AB 95 20.5 161
Show 21371-1622 HJ 5282 BC 10 29.7 162
Show 21375-1618 HJ 5284 268 55.9 163
Show 21390-1527 HL 5 95 1.3 163
Show 21341-1716 HJ 3037 354 26.7 170
Show 21247-1737 CVR 899 112 9.0 175
Show 21310-1740 HU 1313 224 0.7 176
Show 21223-1213 GWP3053 165 26.9 178
Show 21366-1243 GWP3077 248 67.6 179
Show 21192-1247 KPP4232 259 2.2 179
Show 21214-1219 HJ 280 211 47.8 180
Show 21175-1625 KPP3120 150 13.5 181
Show 21401-1405 GWP3082 97 42.0 182

 
 
WDS 21281-1450 : COMPONENTS
 
 
  A
B pa=279.2°
sep=1.03"
 
 
21281-1450 A
 
 
Componente originario normalizzato AB Name HD 204312 Coord arcsec 2000 212803.79-144959.3 Mag 9.58
Spectral class G8III/IV (yellow) PmRA 40.00 PmDE 2.0 SAO 164410
HIP 105997 Tycho2 5798-00721-1 HD 204312 BD BD-15 5990
Tycho2
Tycho2 5798-00721-1 Pflag RAmdeg 322.01579420 DEmdeg -14.83314583
PmRA 39.9 PmDE 2.2 E RAmdeg 16 E DEmdeg 21
E pmRA 1.4 E pmDE 1.4 EpRAm 1987.56 EpDEm 1984.86
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 10.773 E BTmag 0.049 VTmag 9.579
E VTmag 0.026 Prox 11 TYC T HIP 105997
CCDM A RAdeg 322.01570222 DEdeg -14.83315167 EpRA 1990 1.67
EpDE 1990 1.36 E RAdeg 17.6 E DEdeg 24.2 Posflg
Corr -0.1
SAO
SAO 164410 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.025 Vmag 9.2 SpType K0
Double code Source 21 CatNum 8079 DM BD-15 5990
DMcomp BDsup HD 204312 M HD 0
GC RA1950rad 5.60823627 DE1950rad -0.26269823 PmRA2000 0.0018
PmDE2000 0.023
Hipparcos
Catalog H HIP 105997 Proxy H RAhms 21 28 03.77
DEdms -14 49 59.3 Vmag 9.41 VarFlag R Vmag H
RAdeg 322.016 DEdeg -14.8331 AstroRef A Plx 2.13
CCDM 21281-1450 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 278 Rho 1.057 HD 204312 BD BD-15 5990
CD CP Dm number -15 5990 VIred 1.16
SpType G8III/IV R SpType Coord arcsec 2000 212803.77-144959.3
Hipparcos 2
HIP 105997 Sn 15 So 3 Nc 2
RArad 5.6202341855 DErad -0.2588872264 Plx 4.14 PmRA 35.42
PmDE 4.86 E RArad 1.93 E DErad 1.11 E Plx 1.92
E pmRA 2.67 E pmDE 1.14 Hpmag 9.5696 E Hpmag 0.002
SHp 0.023 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 21281-1450 RComp Comp A Note1
Note2 Discov num DRAs -2.28 DDEs 2.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp K0 PmNote *
PmRA 23 PmDE 25 Dm number -15 5990 Cat1 BD
Name2 164410 Cat2 SAO HD 204312 M HD
ADS BDS M ADS BDS N IDS IDS 21226S1516A
HIC 105997
 
 
21281-1450 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212803.72-144959.1 Mag 12.43 PmRA 32.00
PmDE 6.0 Calc delta mag 2.85 Calc coord yes
CCDM
Ccdm 21281-1450 RComp Comp B Note1
Note2 Discov num RST4085 DRAs DDEs
R dRAs Year 1936 Theta 280 Rho 0.7
Obs 2 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21226S1516B
HIC 105997