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Doubles in session


Current system
03061+7925
STF 320
HD 18438


Nearby doubles
21' : 03056+7945
UC 946

22' : 03002+7912
TDS2409

23' : 03046+7903
LDS1561

42' : 03168+7955
TDS2513

51' : 02553+8006
HDS 374

53' : 02596+8015
WIS 79

61' : 03073+8025
HU 1049

64' : 03168+7830
STF 345

70' : 03233+8018
TDS2535

72' : 03007+7815
TDS2410

74' : 03034+8038
LOC 28

77' : 03247+7831
STF 363AB

82' : 03154+8043
UC 969

84' : 02515+7814
LOC 19

85' : 02477+7820
TDS2362

96' : 03202+7758
SLW 152AB

101' : 02491+7758
LOC 20

106' : 03026+7740
SKF2758

110' : 03203+7744
BU 1176AB

114' : 03260+7749
LDS1568

124' : 03117+8128
STF 327AB

139' : 02536+8140
LOC 17

141' : 02539+7709
TDS2381

145' : 02488+8144
LOC 16

158' : 02509+8159
MLR 384

161' : 03039+7645
LOC 22



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

03061+7925 STF 320 (HD 18438)

 
 
03h 06m 07.84s +79° 25' 06.7" P.A. 232.00 sep 4.6 mag 5.72,9.15 Sp M2.5III dist. 211.86 pc (691.09 l.y.)
 
 
Coord 2000 03061+7925 Discov num STF 320 Comp Coord arcsec 2000 03 06 07.84 +79 25 06.7
Date first 1831 Date last 2020 Obs 34
Pa first 227 Pa last 232.4 P.A. Now (θ) 232.4°
Sep first 4.4 Sep last 4.56 Sep. Now (ρ) 4.56"
Mag pri 5.72 Mag sec 9.15 delta mag (ΔM) 3.43 Spectral class M2.5III (red)
Pri motion ra -037 Sec motion ra -035
Pri motion dec +009 Sec motion dec +010
Notes N (See Notes)
rPM=0.059 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 18438 Constellation Cepheus SAO 4810 HIP 14417
Tycho2 4516-02147-1 Gaia DR2 567664766657362304 HD 18438 HR 881
GC 3638 ADS 2294 BD BD+78 103 FK5 105
Distance 211.86 Distance ly 691.09
 
 
WDS 03061+7925 STF 320 (HD 18438) : NOTES
 
 
discov_num notes refcode
STF 320 Spectroscopic binary? Spectrum composite; M1III+F7IV.
 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03061+7925 STF 320 2002 30 231 4.7 5.72 9.15 N D 030607.84+792506.7
03061+7925 STF 320 2015 31 231 4.7 5.72 9.15 M2.5III N 030607.84+792506.7
03061+7925 STF 320 2019 32 228 4.8 5.72 9.15 M2.5III N 030607.84+792506.7
03061+7925 STF 320 2020 33 232 4.6 5.72 9.15 M2.5III N 030607.84+792506.7

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

 
 
WDS 03061+7925 STF 320 (HD 18438) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03061+7925 STF 320 (HD 18438) : MEASURES
 
 
No records found.

 
 
WDS 03061+7925 (HD 18438) : VIRTUAL EYEPIECE
 
 

03061+7925 STF 320A mag 5.72 Sp M2.5III 03061+7925 STF 320B sep 2.9 P.A. 193.40 mag 9.15 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 03061+7925 (HD 18438) : ALADIN DSS IMAGE @ 03h 06m 07.84s +79° 25' 06.7"
 
 
 
 
WDS 03061+7925 STF 320 (HD 18438) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03061+7925 STF 320 distance=0' 03056+7945 UC 946 distance=21' 03002+7912 TDS2409 distance=22' 03046+7903 LDS1561 distance=23' 03168+7955 TDS2513 distance=42' 02553+8006 HDS 374 distance=51' 02596+8015 WIS 79 distance=53' 03073+8025 HU 1049 distance=61' 03168+7830 STF 345 distance=64' 03233+8018 TDS2535 distance=70' 03007+7815 TDS2410 distance=72' 03034+8038 LOC 28 distance=74' 03247+7831 STF 363AB distance=77' 03247+7831 STF 363AC distance=77' 03154+8043 UC 969 distance=82' 02515+7814 LOC 19 distance=84' 02477+7820 TDS2362 distance=85' 03202+7758 SLW 152AB distance=96' 03202+7758 SLW 152AC distance=96' 02491+7758 LOC 20 distance=101' 03026+7740 SKF2758 distance=106' 03203+7744 BU 1176AB distance=110' 03203+7744 BU 1176AC distance=110' 03260+7749 LDS1568 distance=114' 03117+8128 STF 327AB distance=124' 03117+8128 TOK 235AC distance=124' 02536+8140 LOC 17 distance=139' 02539+7709 TDS2381 distance=141' 02488+8144 LOC 16 distance=145' 02509+8159 MLR 384 distance=158' 03039+7645 LOC 22 distance=161' 02567+7639 SKF2757 distance=169' 03090+7635 MLR 452 distance=170' 02555+7632 HJ 2158 distance=177' 02556+8224 HDS 376 distance=181' 02574+8225 LOC 8 distance=182' 02524+8224 LOC 9AB distance=182' 02500+8227 LOC 10 distance=186' 03040+7611 LDS1562 distance=195' 03045+8245 LOC 29 distance=200' 03113+8249 WIS 83 distance=204' 02515+7602 HJ 2156 distance=209' 03076+7548 HJ 2166AB distance=217' 03076+7548 HJ 2166AC distance=217' 03076+7548 HJ 2166AD distance=217' 03068+7548 HJ 2165 distance=218' 03076+7548 HJ 2166CR distance=218' 03214+7532 HJ 2176 distance=239' 02467+7524 HJ 2151 distance=249' 03247+7520 HJ 2179 distance=254' 02563+7512 YSC 88 distance=255' 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 03061+7925 STF 320 232 4.6
Show 03056+7945 UC 946 133 23.9 21
Show 03002+7912 TDS2409 82 1.6 22
Show 03046+7903 LDS1561 185 5.2 23
Show 03168+7955 TDS2513 323 1.0 42
Show 02553+8006 HDS 374 53 0.4 51
Show 02596+8015 WIS 79 307 833.7 53
Show 03073+8025 HU 1049 33 1.1 61
Show 03168+7830 STF 345 86 6.7 64
Show 03233+8018 TDS2535 185 0.6 70
Show 03007+7815 TDS2410 7 5.2 72
Show 03034+8038 LOC 28 354 2.2 74
Show 03247+7831 STF 363 AB 316 26.4 77
Show 03247+7831 STF 363 AC 105 112.4 77
Show 03154+8043 UC 969 111 27.7 82
Show 02515+7814 LOC 19 228 9.5 84
Show 02477+7820 TDS2362 119 1.2 85
Show 03202+7758 SLW 152 AB 330 28.3 96
Show 03202+7758 SLW 152 AC 303 1.1 96
Show 02491+7758 LOC 20 73 3.6 101
Show 03026+7740 SKF2758 105 7.6 106
Show 03203+7744 BU 1176 AB 271 0.7 110
Show 03203+7744 BU 1176 AC 274 13.5 110
Show 03260+7749 LDS1568 144 6.3 114
Show 03117+8128 STF 327 AB 289 20.3 124
Show 03117+8128 TOK 235 AC 294 120.8 124
Show 02536+8140 LOC 17 150 6.9 139
Show 02539+7709 TDS2381 308 1.5 141
Show 02488+8144 LOC 16 128 12.1 145
Show 02509+8159 MLR 384 291 0.5 158
Show 03039+7645 LOC 22 285 6.7 161
Show 02567+7639 SKF2757 243 17.5 169
Show 03090+7635 MLR 452 354 0.6 170
Show 02555+7632 HJ 2158 158 16.5 177
Show 02556+8224 HDS 376 37 0.1 181
Show 02574+8225 LOC 8 310 2.9 182
Show 02524+8224 LOC 9 AB 91 51.6 182
Show 02500+8227 LOC 10 241 2.2 186
Show 03040+7611 LDS1562 165 6.1 195
Show 03045+8245 LOC 29 93 2.3 200
Show 03113+8249 WIS 83 302 323.1 204
Show 02515+7602 HJ 2156 223 36.1 209
Show 03076+7548 HJ 2166 AB 251 59.4 217
Show 03076+7548 HJ 2166 AC 193 60.5 217
Show 03076+7548 HJ 2166 AD 141 64.4 217
Show 03068+7548 HJ 2165 212 39.0 218
Show 03076+7548 HJ 2166 CR 344 7.4 218
Show 03214+7532 HJ 2176 71 14.0 239
Show 02467+7524 HJ 2151 104 18.2 249
Show 03247+7520 HJ 2179 345 26.0 254
Show 02563+7512 YSC 88 228 0.2 255

 
 
WDS 03061+7925 : COMPONENTS
 
 
  A
B pa=193.4°
sep=2.86"
 
 
03061+7925 A
 
 
Componente originario normalizzato AB Name HD 18438 Coord arcsec 2000 030607.84+792506.7 Mag 5.72
Spectral class M2.5III (red) PmRA -37.00 PmDE 9.0 SAO 4810
HIP 14417 Tycho2 4516-02147-1 HD 18438 HR 881
GC 3638 BD BD+78 103 FK5 105
Tycho2
Tycho2 4516-02147-1 Pflag RAmdeg 46.53265549 DEmdeg 79.41853159
PmRA -36.6 PmDE 8.9 E RAmdeg 4 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1990.99 EpDEm 1991.26
Num 17 Q RAmdeg 1.5 Q DEmdeg 1.8 Q pmRA 1.6
Q pmDE 1.7 BTmag 7.676 E BTmag 0.015 VTmag 5.718
E VTmag 0.009 Prox 47 TYC T HIP 14417
CCDM A RAdeg 46.53311833 DEdeg 79.41851111 EpRA 1990 1.65
EpDE 1990 1.78 E RAdeg 3.7 E DEdeg 3.6 Posflg
Corr 0.4
SAO
SAO 4810 DelFlag RA1950 PmRA1950 -0.0129
DE1950 PmDE1950 0.012 Vmag 5.7 SpType M0
Double code Source 74 CatNum 105 DM BD+78 103
DMcomp BDsup HD 18438 M HD 0
GC 3638 RA1950rad 0.78257872 DE1950rad 1.38271935 PmRA2000 -0.0147
PmDE2000 0.008
Hipparcos
Catalog H HIP 14417 Proxy H RAhms 03 06 07.95
DEdms +79 25 06.6 Vmag 5.49 VarFlag 1 R Vmag G
RAdeg 46.5331 DEdeg 79.4185 AstroRef A Plx 4.69
CCDM 03061+7925 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 231 Rho 4.714 HD 18438 BD BD+78 103
CD CP Dm number +78 103 VIred 2.02
SpType F7IV comp SB R SpType Coord arcsec 2000 030607.95+792506.6
Hipparcos 2
HIP 14417 Sn 15 So 3 Nc 2
RArad 0.8121563793 DErad 1.3861144888 Plx 4.72 PmRA -35.68
PmDE 10.21 E RArad 0.31 E DErad 0.34 E Plx 0.4
E pmRA 0.36 E pmDE 0.42 Hpmag 5.5816 E Hpmag 0.0015
SHp 0.018 VA 2 BV 1.569 E BV 0.015
VI 2.02
CCDM
Ccdm 03061+7925 RComp Comp A Note1
Note2 Discov num DRAs 1.72 DDEs 6.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.8 Sp M1 PmNote *
PmRA -37 PmDE 12 Dm number +78 103 Cat1 BD
Name2 +79 95 Cat2 AGK2/3 HD 18438 M HD
ADS BDS A 2294 M ADS BDS N IDS IDS 02528N7901A
HIC 14417
 
 
03061+7925 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 030607.60+792503.9 Mag 9.15 PmRA -35.00
PmDE 10.0 Calc delta mag 3.43 Calc coord yes
CCDM
Ccdm 03061+7925 RComp Comp B Note1
Note2 Discov num STF 320 DRAs DDEs
R dRAs Year 1831 Theta 229 Rho 4.6
Obs 10 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2294 M ADS BDS N IDS IDS 02528N7901B
HIC 14417