15300+2530 STF 1950 (HD 138232)

15h 29m 58.46s +25° 30' 31.1" P.A. 91.00 sep 3.3 mag 8.07,9.23 Sp K4III dist. 485.44 pc (1583.51 l.y.)

Coord 2000 15300+2530 Discov num STF1950 Comp Coord arcsec 2000 15 29 58.46 +25 30 31.1
Date first 1830 Date last 2020 Obs 86
Pa first 93 Pa last 91 P.A. Now (θ) 91°
Sep first 3.2 Sep last 3.3 Sep. Now (ρ) 3.3"
Mag pri 8.07 Mag sec 9.23 delta mag (ΔM) 1.16 Spectral class K4III (yellow-orange)
Pri motion ra -005 Sec motion ra -005
Pri motion dec +008 Sec motion dec +008
Notes




Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Name HD 138232 Constellation Serpens SAO 83852 HIP 75883
Tycho2 2029-00812-1 Gaia DR2 1222089277150606720 HD 138232 GC 20840
BD BD+26 2694 Distance 485.44 Distance ly 1583.51




WDS 15300+2530 STF 1950 (HD 138232) : NOTES

No records found.







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
15300+2530 STF1950 2007 69 93 3.5 8.07 9.23 K4III D 152958.46+253031.1
15300+2530 STF1950 2008 72 91 3.3 8.07 9.23 K4III D 152958.46+253031.1
15300+2530 STF1950 2013 77 91 3.4 8.07 9.23 K4III D 152958.46+253031.1
15300+2530 STF1950 2015 80 91 3.3 8.07 9.23 K4III 152958.46+253031.1
15300+2530 STF1950 2017 81 92 3.3 8.07 9.23 K4III 152958.46+253031.1
15300+2530 STF1950 2019 84 92 3.3 8.07 9.23 K4III 152958.46+253031.1
15300+2530 STF1950 2020 85 91 3.3 8.07 9.23 K4III 152958.46+253031.1



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





WDS 15300+2530 STF 1950 (HD 138232) : VISUAL OBSERVATIONS REPORTS

Show date username difficulty separation pa_estim interest notes
Show 22/05/25 daedalus1 difficut separated 92   Seeing Pickering 7, average. NELM 4.8. Measures: theta 91.5, rho 3.6. Companion seems much dimmer than primary.



WDS 15300+2530 STF 1950 (HD 138232) : MEASURES

No records found.



WDS 15300+2530 (HD 138232) : VIRTUAL EYEPIECE


15300+2530 STF1950A mag 8.07 Sp K4III 15300+2530 STF1950B sep 3.0 P.A. 91.10 mag 9.23 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only




WDS 15300+2530 (HD 138232) : ALADIN DSS IMAGE @ 15h 29m 58.46s +25° 30' 31.1"





WDS 15300+2530 STF 1950 (HD 138232) : NEIGHBORHOODS

FoV:
Limit:
Primaries only


15300+2530  STF1950 distance=0' 15314+2556  SLW1102 distance=32' 15340+2610  SLW1108 distance=67' 15348+2500  STT 297 distance=73' 15344+2445  LDS4561 distance=75' 15245+2527  LDS4549 distance=75' 15314+2646  CVR 790 distance=79' 15358+2527  LDS4569 distance=79' 15308+2408  POU3191 distance=85' 15361+2517  HDS2192 distance=85' 15257+2638  STF1941 distance=89' 15339+2643  STF1955AB distance=89' 15339+2643  TAR   2AC distance=89' 15224+2537  HJ 2777 distance=103' 15346+2653  UC 3029 distance=104' 15271+2355  A    82 distance=104' 15347+2655  COU 798 distance=106' 15355+2647  SHN 202 distance=107' 15256+2401  POU3188 distance=107' 15232+2628  TDS 772 distance=109' 15223+2455  COU 309 distance=110' 15353+2408  POU3193 distance=111' 15283+2341  HO  629 distance=112' 15380+2556  TDS9569 distance=113' 15268+2719  AZC  91 distance=117' 15247+2357  POU3187 distance=119' 15211+2534  GRV 903AB distance=120' 15211+2534  LSC 150Aa,Ab distance=120' 15371+2646  HDS2199AB distance=123' 15371+2646  GII  40AC distance=123' 15390+2545  COU 612 distance=124' 15371+2650  GRV1211 distance=126' 15368+2404  POU3195 distance=127' 15383+2431  ARY  11 distance=128' 15226+2652  KPP1539 distance=129' 15303+2739  STF1951 distance=130' 15367+2353  CVR 795 distance=134' 15311+2747  J  3321 distance=137' 15252+2734  AZC  90 distance=140' 15300+2311  AZC  92 distance=140' 15208+2638  LDS4543 distance=143' 15195+2515  COU 308 distance=144' 15404+2500  LDS4578 distance=144' 15210+2651  SLW1083 distance=145' 15366+2726  MLB 690 distance=146' 15348+2321  POU3192 distance=146' 15266+2749  UC 3004 distance=146' 15190+2541  LDS6304 distance=150' 15211+2702  STF1936 distance=151' 15399+2423  TDS9583 distance=151' 15247+2318  COU 105 distance=153' 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 15300+2530 STF1950 91 3.3
Show 15314+2556 SLW1102 274 10.1 32
Show 15340+2610 SLW1108 320 11.2 67
Show 15348+2500 STT 297 332 12.8 73
Show 15344+2445 LDS4561 287 64.8 75
Show 15245+2527 LDS4549 116 29.9 75
Show 15314+2646 CVR 790 48 13.4 79
Show 15358+2527 LDS4569 13 249.0 79
Show 15308+2408 POU3191 283 9.7 85
Show 15361+2517 HDS2192 128 0.2 85
Show 15257+2638 STF1941 212 1.4 89
Show 15339+2643 STF1955 AB 237 7.8 89
Show 15339+2643 TAR 2 AC 35 20.5 89
Show 15224+2537 HJ 2777 342 42.6 103
Show 15346+2653 UC 3029 290 54.6 104
Show 15271+2355 A 82 354 0.8 104
Show 15347+2655 COU 798 211 0.2 106
Show 15355+2647 SHN 202 -1 0.6 107
Show 15256+2401 POU3188 20 10.4 107
Show 15232+2628 TDS 772 357 1.0 109
Show 15223+2455 COU 309 343 1.9 110
Show 15353+2408 POU3193 296 7.5 111
Show 15283+2341 HO 629 111 21.4 112
Show 15380+2556 TDS9569 114 0.6 113
Show 15268+2719 AZC 91 257 13.7 117
Show 15247+2357 POU3187 131 5.9 119
Show 15211+2534 GRV 903 AB 243 69.2 120
Show 15211+2534 LSC 150 Aa,Ab 288 0.1 120
Show 15371+2646 HDS2199 AB 349 0.2 123
Show 15371+2646 GII 40 AC 243 2.1 123
Show 15390+2545 COU 612 342 0.3 124
Show 15371+2650 GRV1211 74 29.8 126
Show 15368+2404 POU3195 18 13.0 127
Show 15383+2431 ARY 11 327 151.0 128
Show 15226+2652 KPP1539 243 11.6 129
Show 15303+2739 STF1951 293 17.4 130
Show 15367+2353 CVR 795 112 9.2 134
Show 15311+2747 J 3321 228 4.4 137
Show 15252+2734 AZC 90 130 7.8 140
Show 15300+2311 AZC 92 61 14.3 140
Show 15208+2638 LDS4543 234 64.1 143
Show 15195+2515 COU 308 355 1.4 144
Show 15404+2500 LDS4578 80 14.9 144
Show 15210+2651 SLW1083 122 93.6 145
Show 15366+2726 MLB 690 222 2.1 146
Show 15348+2321 POU3192 11 3.2 146
Show 15266+2749 UC 3004 130 6.8 146
Show 15190+2541 LDS6304 159 3.3 150
Show 15211+2702 STF1936 231 19.8 151
Show 15399+2423 TDS9583 230 0.5 151
Show 15247+2318 COU 105 267 2.1 153





WDS 15300+2530 : COMPONENTS

  A
B pa=91.1°
sep=2.98"








15300+2530 A

Componente originario normalizzato AB Name HD 138232 Coord arcsec 2000 152958.46+253031.1 Mag 8.07
Spectral class K4III (yellow-orange) PmRA -5.00 PmDE 8.0 SAO 83852
HIP 75883 Tycho2 2029-00812-1 HD 138232 GC 20840
BD BD+26 2694


Tycho2
Tycho2 2029-00812-1 Pflag RAmdeg 232.49359810 DEmdeg 25.50863455
PmRA -14.5 PmDE 10.7 E RAmdeg 6 E DEmdeg 6
E pmRA 2.0 E pmDE 2.0 EpRAm 1991.26 EpDEm 1991.48
Num 3 Q RAmdeg 0.5 Q DEmdeg 2.8 Q pmRA 0.6
Q pmDE 2.8 BTmag 9.925 E BTmag 0.022 VTmag 8.069
E VTmag 0.011 Prox 33 TYC T HIP 75883
CCDM A RAdeg 232.49363667 DEdeg 25.50860944 EpRA 1990 1.35
EpDE 1990 1.57 E RAdeg 6.4 E DEdeg 5.7 Posflg D
Corr 0.1


SAO
SAO 83852 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.012 Vmag 8.1 SpType K2
Double code Source 70 CatNum 20840 DM BD+26 2694
DMcomp BDsup HD 138232 M HD 0
GC 20840 RA1950rad 4.0484394 DE1950rad 0.44817919 PmRA2000 0.0004
PmDE2000 -0.009


Hipparcos
Catalog H HIP 75883 Proxy H RAhms 15 29 58.47
DEdms +25 30 31.0 Vmag 7.62 VarFlag R Vmag H
RAdeg 232.494 DEdeg 25.5086 AstroRef A Plx 2.12
CCDM 15300+2531 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 92 Rho 3.301 HD 138232 BD BD+26 2694
CD CP Dm number +26 2694 VIred 1.5
SpType K4III+... R SpType Coord arcsec 2000 152958.47+253031.0


Hipparcos 2
HIP 75883 Sn 15 So 3 Nc 2
RArad 4.0577794859 DErad 0.4452092135 Plx 2.06 PmRA -4.29
PmDE 6.84 E RArad 0.78 E DErad 0.82 E Plx 1.19
E pmRA 0.99 E pmDE 1.45 Hpmag 7.7533 E Hpmag 0.0012
SHp 0.013 VA 0 BV 1.449 E BV 0.025
VI 1.45






15300+2530 B

Componente originario normalizzato AB Coord arcsec 2000 152958.68+253031.0 Mag 9.23 PmRA -5.00
PmDE 8.0 Calc delta mag 1.16 Calc coord yes