20210-1447 STFA 52 BC

 
 
20h 20m 46.55s -14° 47' 05.5" P.A. 111.00 sep 396.5 mag 6.08,8.83 Sp A0III dist. 104.06 pc (339.44 l.y.)
 
 
Coord 2000 20210-1447 Discov num STFA 52 Comp BC Coord arcsec 2000 20 20 46.55 -14 47 05.5
Date first 1895 Date last 2015 Obs 14
Pa first 112 Pa last 110.9 P.A. Now (θ) 110.9°
Sep first 397.4 Sep last 396.516 Sep. Now (ρ) 396.516"
Mag pri 6.08 Mag sec 8.83 delta mag (ΔM) 2.75 Spectral class A0III (white)
Pri motion ra +043 Sec motion ra +039
Pri motion dec +000 Sec motion dec +006
Notes N (See Notes)
rPM=0.168 (< 0.3, Physical double)
This double is physical.
 
 
20210-1447 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 163481 20 21 01 -14 46 53 BLA 7 Aa,Ab 2021 15 35 0.1 3.10 4.90 1.80 Y
Show Dabih 163481 20 21 01 -14 46 53 STFA 52 AB 2016 42 266 205.2 3.15 6.08 2.93
Show 163481 20 21 01 -14 46 53 STFA 52 AC 2012 11 133 226.1 3.15 8.83 5.68
Show 163481 20 21 01 -14 46 53 HJ 2948 AD 2000 3 292 115.9 3.15 12.96 9.81
Show 163471 20 20 47 -14 47 06 BAR 12 Ba,Bb 2021 30 52 0.4 6.16 9.14 2.98 Y
Show 163471 20 20 47 -14 47 06 STFA 52 BC 2015 14 111 396.5 6.08 8.83 2.75 <===
Show 20 20 53 -14 46 09 HJ 2948 DE 2000 8 321 3.9 13.70 14.40 0.70
Septuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus SAO 163471 HIP 100325 Tycho2 5753-02282-1
Gaia DR2 6875990891389558400 HD 193452 HR 7775 GC 28286
ADS 13717 DM BD-15 5631 BD BD-15 5626 Bayer Beta 2 Capricorni
Bayer name Bet2 Cap Distance 104.06 Distance ly 339.44 Bayer greek β2 Cap
 
 
WDS 20210-1447 STFA 52 BC : NOTES
 
 
discov_num notes refcode
BLA 7 Aa,Ab: bet 1 Cap = Dabih. A is an occultation and interferometric
binary, and is physical with the multiple system STFA 52 at 205".
First detected as an occultation binary by Evans & Fekel (1979), Evn1979
who derive an orbit based upon spectroscopic, occultation, and
interferometric observations.
Period and eccentricity for Mason et al. (1994) orbit adopted from Msn1994
Evans & Fekel (1979); other elements generated from occultation and
speckle data.
Hipparcos astrometric solution adopted some elements from the orbit of HIP1997d
Evans & Fekel (1979).
Alden (1936) orbit adopted P, T, and e from the spectroscopic orbit Ald1936b
of Spencer Jones (Ann. Cape Obs. 10, pt. 8, 76, 1928)
Alden orbit rejected from Fourth Orbit Catalog Wor1983
("object still suspected to be binary by some, but no even
approximately reliable or complete elements yet available")
STFA 52 AB: H 6 28. MEv2010
A: bet 1 Cap = 9 Cap
B: bet 2 Cap
HJ 2948 AD: mistakenly listed as BD pair.
BAR 12 Ba,Bb: Physical with bet Cap. A is an 8.7d SB and may eclipse; it is
also an occultation double.
Ba,Bb: Additional notes may be found in Barnard (1898). Bar1898b
 
 
REFERENCES
 
 
refcode metd author reference
Ald1936b orb - Alden, H.L. 1936AJ.....45...82A
Ald1936b AJ 45, 82, 1936
Bar1898b Ma j Barnard, E.E. 1898AJ.....19..113B
Bar1898b AJ 19, 113, 1898
Evn1979 O j Evans, D.S. & Fekel, F.C. 1979ApJ...228..497E
Evn1979 +orb ApJ 228, 497, 1979
HIP1997d orb - Hipparcos 1997yCat.1239....0E
HIP1997d Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d (DMSA/O Orbital Solutions)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Msn1994 orb - Mason, B.D. 1994PhDT........57M
Msn1994 Thesis, Georgia State University, 1994
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)
 
 
DISCOVERER
 
 
idgroup discov author
1 BLA Blazit, A., Bonneau, D., Koechlin, L. & Labeyrie, A.
6 HJ Herschel, J.F.W.
55 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20210-1447 STFA 52 BC 1998 11 111 396.9 6.16 8.83 A0III N 202046.52-144705.6
20210-1447 STFA 52 BC 2000 13 111 396.7 6.08 8.83 A0III N D 202046.55-144705.5
20210-1447 STFA 52 BC 2015 14 111 396.5 6.08 8.83 A0III N 202046.55-144705.5

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

 
 
WDS 20210-1447 STFA 52 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20210-1447 STFA 52 BC : MEASURES
 
 
No records found.

 
 
WDS 20210-1447 : VIRTUAL EYEPIECE
 
 

20210-1447 STFA 52A mag 3.15 Sp F8V 20210-1447 BLA   7Ab mag 4.9 Sp A0 20210-1447 STFA 52B sep 205.2 P.A. 266.50 mag 6.08 Sp A0III 20210-1447 BAR  12Bb sep 204.8 P.A. 266.60 mag 9.14 20210-1447 STFA 52C sep 222.2 P.A. 134.00 mag 8.83 Sp A0 20210-1447 HJ 2948D sep 116.4 P.A. 292.40 mag 13.7 20210-1447 HJ 2948E sep 119.8 P.A. 293.30 mag 14.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20210-1447 : ALADIN DSS IMAGE @ 20h 20m 46.55s -14° 47' 05.5"
 
 
 
 
WDS 20210-1447 STFA 52 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20210-1447  STFA 52BC distance=0' 20210-1447  HJ 2948DE distance=2' 20210-1447  BLA   7Aa,Ab (Dabih) distance=4' 20210-1447  STFA 52AB (Dabih) distance=4' 20210-1447  HJ 2948AD (Dabih) distance=4' 20210-1447  STFA 52AC (Dabih) distance=4' 20202-1444  RST4058AB distance=9' 20202-1444  OCC 440Aa,Ab distance=9' 20203-1439  SHN 243 distance=11' 20211-1429  SHN 244 distance=19' 20203-1506  J  1703 distance=21' 20225-1438  RST4059 distance=27' 20190-1417  RST4057 distance=39' 20241-1459  RST4061 distance=50' 20177-1417  J  1701 distance=54' 20173-1510  HU  268 distance=56' 20231-1531  RST4060 distance=56' 20242-1407  OCC 476 distance=65' 20241-1531  GWP2944 distance=65' 20253-1449  OCC 920 distance=66' 20207-1340  OCC9192 distance=68' 20260-1443  OCC 402 distance=76' 20177-1550  HO  123 distance=77' 20225-1601  ARA 125 distance=78' 20174-1550  HDS2894Ca,Cb distance=79' 20255-1407  RST4063 distance=80' 20156-1422  HJ 1493 distance=80' 20263-1505  RST4065 distance=83' 20264-1510  KPP 473 distance=85' 20260-1526  RST4064 distance=86' 20146-1520  OCC 407 distance=96' 20140-1456  HJ 2937 distance=98' 20159-1555  LDS4834 distance=99' 20136-1521  HJ 5511 distance=107' 20263-1601  UC 4182 distance=109' 20270-1554  OCC  23 distance=113' 20134-1526  KUI  96 distance=114' 20251-1309  BRT2772 distance=117' 20222-1647  H N 138 distance=122' 20207-1246  LAM   5 (Alshat) distance=122' 20282-1546  UC 4193 distance=123' 20283-1348  UC 4194 distance=124' 20278-1559  KPP2635 distance=125' 20176-1250  RST4056 distance=126' 20158-1301  OSW  70 distance=129' 20181-1233  AGC  12BC distance=141' 20181-1233  HJ  608A,BC (Algedi) distance=141' 20181-1233  AGC  12AD (Algedi) distance=141' 20181-1233  STFA 51AE (Algedi) distance=141' 20164-1652  OCC 864 distance=141' 20176-1230  WZ   15CD distance=144' 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 20210-1447 BAR 12 Ba,Bb 52 0.4
Show 20210-1447 STFA 52 BC 111 396.5
Show 20210-1447 HJ 2948 DE 321 3.9 2
Show Dabih 20210-1447 BLA 7 Aa,Ab 35 0.1 4
Show Dabih 20210-1447 STFA 52 AB 266 205.2 4
Show Dabih 20210-1447 HJ 2948 AD 292 115.9 4
Show Dabih 20210-1447 STFA 52 AC 133 226.1 4
Show 20202-1444 RST4058 AB 100 5.7 9
Show 20202-1444 OCC 440 Aa,Ab -1 0.1 9
Show 20203-1439 SHN 243 -1 0.1 11
Show 20211-1429 SHN 244 -1 0.2 19
Show 20203-1506 J 1703 290 5.6 21
Show 20225-1438 RST4059 354 1.1 27
Show 20190-1417 RST4057 255 1.2 39
Show 20241-1459 RST4061 227 2.3 50
Show 20177-1417 J 1701 79 5.0 54
Show 20173-1510 HU 268 209 3.2 56
Show 20231-1531 RST4060 99 0.8 56
Show 20242-1407 OCC 476 -1 0.1 65
Show 20241-1531 GWP2944 337 103.0 65
Show 20253-1449 OCC 920 -1 0.1 66
Show 20207-1340 OCC9192 -1 0.0 68
Show 20260-1443 OCC 402 -1 -1.0 76
Show 20177-1550 HO 123 229 3.0 77
Show 20225-1601 ARA 125 191 5.7 78
Show 20174-1550 HDS2894 Ca,Cb 65 0.8 79
Show 20255-1407 RST4063 36 1.3 80
Show 20156-1422 HJ 1493 326 18.9 80
Show 20263-1505 RST4065 56 0.3 83
Show 20264-1510 KPP 473 113 3.5 85
Show 20260-1526 RST4064 317 1.9 86
Show 20146-1520 OCC 407 -1 0.4 96
Show 20140-1456 HJ 2937 89 9.3 98
Show 20159-1555 LDS4834 32 80.7 99
Show 20136-1521 HJ 5511 146 18.4 107
Show 20263-1601 UC 4182 102 8.5 109
Show 20270-1554 OCC 23 -1 0.1 113
Show 20134-1526 KUI 96 345 9.7 114
Show 20251-1309 BRT2772 247 4.8 117
Show 20222-1647 H N 138 327 3.3 122
Show Alshat 20207-1246 LAM 5 211 53.2 122
Show 20282-1546 UC 4193 80 26.6 123
Show 20283-1348 UC 4194 337 31.0 124
Show 20278-1559 KPP2635 307 24.4 125
Show 20176-1250 RST4056 82 2.7 126
Show 20158-1301 OSW 70 93 53.6 129
Show 20181-1233 AGC 12 BC 241 1.2 141
Show Algedi 20181-1233 HJ 608 A,BC 196 6.6 141
Show Algedi 20181-1233 AGC 12 AD 159 153.4 141
Show Algedi 20181-1233 STFA 51 AE 290 381.2 141
Show 20164-1652 OCC 864 -1 0.1 141

 
 
WDS 20210-1447 : COMPONENTS
 
 
  A Ab B Bb C D
Ab pa=34.4°
sep=0.05"
 
B pa=266.5°
sep=205.17"
pa=266.5°
sep=205.20"
 
Bb pa=266.6°
sep=204.83"
pa=266.6°
sep=204.86"
pa=51.2°
sep=0.42"
 
C pa=134.0°
sep=222.16"
pa=134.0°
sep=222.17"
pa=111.2°
sep=391.24"
pa=111.3°
sep=391.03"
 
D pa=292.4°
sep=116.38"
pa=292.3°
sep=116.39"
pa=59.7°
sep=112.56"
pa=59.7°
sep=112.14"
pa=306.6°
sep=333.13"
 
E pa=293.3°
sep=119.76"
pa=293.3°
sep=119.77"
pa=57.7°
sep=112.08"
pa=57.8°
sep=111.66"
pa=306.8°
sep=336.85"
pa=321.6°
sep=3.85"
 
 
20210-1447 A
 
 
Common name Dabih Meaning butcher Coord arcsec 2000 202100.67-144653.0 Mag 3.15
Spectral class F8V (yellow-white) PmRA 45.00 PmDE 7.0 SAO 163481
HIP 100345 Tycho2 5753-02281-1 HD 193495 HR 7776
GC 28295 BD BD-15 5629 Bayer Beta 1 Capricorni Bayer name Bet1 Cap
Flamsteed 9 Capricorni Flamsteed name 9 Cap FK5 762
Tycho2
Tycho2 5753-02281-1 Pflag RAmdeg 305.25280077 DEmdeg -14.78140739
PmRA 43.4 PmDE -1.6 E RAmdeg 3 E DEmdeg 4
E pmRA 0.3 E pmDE 0.4 EpRAm 1990.37 EpDEm 1989.35
Num 25 Q RAmdeg 1.3 Q DEmdeg 2.2 Q pmRA 1.7
Q pmDE 2.2 BTmag 4.009 E BTmag 0.014 VTmag 3.151
E VTmag 0.009 Prox 999 TYC T HIP 100345
CCDM RAdeg 305.25270028 DEdeg -14.78140417 EpRA 1990 1.90
EpDE 1990 1.37 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr -0.2
SAO
SAO 163481 DelFlag RA1950 PmRA1950 0.0027
DE1950 PmDE1950 0.003 Vmag 3.3 SpType +++
Double code Source 74 CatNum 762 DM BD-15 5629
DMcomp BDsup HD 193495 M HD 9
GC 28295 RA1950rad 5.31541476 DE1950rad -0.26076466 PmRA2000 0.0029
PmDE2000 0.002
Hipparcos
Catalog H HIP 100345 Proxy RAhms 20 21 00.65
DEdms -14 46 53.0 Vmag 3.05 VarFlag R Vmag H
RAdeg 305.253 DEdeg -14.7814 AstroRef + Plx 9.48
CCDM 20210-1447 N CCDM I Nsys 2 Ncomp 1
MultFlag O Source Qual M HIP
Theta Rho HD 193495 BD BD-15 5629
CD CP Dm number -15 5629 VIred 0.9
SpType A5:n R SpType Coord arcsec 2000 202100.65-144653.0
Hipparcos 2
HIP 100345 Sn 75 So 4 Nc 1
RArad 5.3276645317 DErad -0.2579841156 Plx 9.98 PmRA 44.92
PmDE 7.38 E RArad 0.96 E DErad 0.58 E Plx 1.09
E pmRA 1.31 E pmDE 1.29 Hpmag 3.2104 E Hpmag 0.0005
SHp 0.004 VA 0 BV 0.79 E BV 0.04
VI 0.9
CCDM
Ccdm 20210-1447 RComp Comp A Note1
Note2 @ Discov num DRAs 0.72 DDEs 7.0
R dRAs 10 Year Theta Rho
Obs 6 Vmag 3.4 Sp G0 PmNote *
PmRA 40 PmDE 3 Dm number -15 5629 Cat1 BD
Name2 163481 Cat2 SAO HD 193495 M HD /6
ADS BDS M ADS BDS N N IDS IDS 20154S1506A
HIC 100345
 
 
20210-1447 Ab
 
 
Coord arcsec 2000 202100.67-144653.0 Mag 4.9 Spectral class A0 (white) Calc delta mag 1.8
Calc coord yes
 
 
20210-1447 B
 
 
Coord arcsec 2000 202046.55-144705.5 Coord calc 202046.55-144705.5 Mag 6.08 Spectral class A0III (white)
PmRA 43.00 PmDE 0.0 SAO 163471 HIP 100325
Tycho2 5753-02282-1 HD 193452 HR 7775 GC 28286
DM BD-15 5629 BD BD-15 5626 Bayer Beta 2 Capricorni Bayer name Bet2 Cap
Calc delta mag 2.98
Tycho2
Tycho2 5753-02282-1 Pflag RAmdeg 305.19396104 DEmdeg -14.78488626
PmRA 42.1 PmDE 1.7 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.57 EpDEm 1990.91
Num 19 Q RAmdeg 1.7 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 0.9 BTmag 6.045 E BTmag 0.014 VTmag 6.077
E VTmag 0.010 Prox 999 TYC T HIP 100325
CCDM BC RAdeg 305.19386194 DEdeg -14.78489028 EpRA 1990 1.83
EpDE 1990 1.39 E RAdeg 3.4 E DEdeg 3.9 Posflg P
Corr -0.3
SAO
SAO 163471 DelFlag RA1950 PmRA1950 0.0028
DE1950 PmDE1950 0.001 Vmag 6.2 SpType B9
Double code Source 70 CatNum 28286 DM BD-15 5626
DMcomp BDsup HD 193452 M HD 0
GC 28286 RA1950rad 5.31438726 DE1950rad -0.26082157 PmRA2000 0.003
PmDE2000 0
Hipparcos
Catalog H HIP 100325 Proxy H RAhms 20 20 46.52
DEdms -14 47 05.6 Vmag 6.09 VarFlag R Vmag G
RAdeg 305.194 DEdeg -14.7849 AstroRef B Plx 10.4
CCDM 20210-1447 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP BC
Theta 75 Rho 0.68 HD 193452 BD BD-15 5626
CD CP Dm number -15 5626 VIred 0.01
SpType B9.5III/IV R SpType Coord arcsec 2000 202046.52-144705.6
Hipparcos 2
HIP 100325 Sn 15 So 3 Nc 2
RArad 5.3266374338 DErad -0.2580450576 Plx 9.61 PmRA 44.06
PmDE -1.66 E RArad 0.78 E DErad 0.49 E Plx 0.9
E pmRA 1.01 E pmDE 0.98 Hpmag 6.0919 E Hpmag 0.0009
SHp 0.005 VA 0 BV -0.016 E BV 0.003
VI 0.01
CCDM
Ccdm 20210-1447 RComp Comp B Note1
Note2 Discov num STF4052 DRAs -13.39 DDEs -5.6
R dRAs 10 Year 1835 Theta 267 Rho 205.3
Obs 4 Vmag 6.2 Sp B9 PmNote *
PmRA 42 PmDE 2 Dm number -15 5626 Cat1 BD
Name2 163471 Cat2 SAO HD 193452 M HD
ADS BDS M ADS BDS N N IDS IDS 20154S1506B
HIC 100325
 
 
20210-1447 Bb
 
 
Coord arcsec 2000 202046.57-144705.2 Mag 9.14 Calc delta mag 6.04 Calc coord yes
 
 
20210-1447 C
 
 
Coord arcsec 2000 202111.70-144927.2 Mag 8.83 Spectral class A0 (white) PmRA 39.00
PmDE 6.0 SAO 163486 Tycho2 5753-02283-1 HD 193543
DM BD-15 5631 Calc delta mag 5.73 Calc coord yes
Tycho2
Tycho2 5753-02283-1 Pflag RAmdeg 305.30034676 DEmdeg -14.82431176
PmRA 40.2 PmDE 6.3 E RAmdeg 8 E DEmdeg 11
E pmRA 1.3 E pmDE 1.1 EpRAm 1991.04 EpDEm 1989.05
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.7 BTmag 9.369 E BTmag 0.022 VTmag 8.829
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 305.30025250 DEdeg -14.82432722 EpRA 1990 1.83
EpDE 1990 1.43 E RAdeg 8.4 E DEdeg 12.0 Posflg
Corr -0.3
SAO
SAO 163486 DelFlag RA1950 PmRA1950 0.0032
DE1950 PmDE1950 0.029 Vmag 9.3 SpType F8
Double code Source 21 CatNum 7656 DM BD-15 5631
DMcomp BDsup HD 193543 M HD 0
GC RA1950rad 5.31624439 DE1950rad -0.26151545 PmRA2000 0.0034
PmDE2000 0.028
CCDM
Ccdm 20210-1447 RComp B Comp C Note1
Note2 Discov num BAR 12 DRAs DDEs
R dRAs Year 1952 Theta 089 Rho 0.8
Obs 16 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13717 M ADS BDS N IDS IDS 20152S1506B
HIC 100325
 
 
20210-1447 D
 
 
Coord arcsec 2000 202053.25-144608.7 Coord calc 202053.25-144608.7 Mag 13.7 PmRA 15.00
PmDE -34.0 Calc delta mag 10.6
CCDM
Ccdm 20210-1447 RComp Comp D Note1
Note2 Discov num STF4052 DRAs 12.19 DDEs -145.8
R dRAs 10 Year 1912 Theta 134 Rho 226.6
Obs 1 Vmag 9.0 Sp F8 PmNote *
PmRA 46 PmDE 29 Dm number -15 5631 Cat1 BD
Name2 163486 Cat2 SAO HD 193543 M HD
ADS BDS M ADS BDS N IDS IDS 20154S1506C
HIC
 
 
20210-1447 E
 
 
Coord arcsec 2000 202053.09-144605.7 Mag 14.4 PmRA -58.00 PmDE 60.0
Calc delta mag 11.3 Calc coord yes
CCDM
Ccdm 20210-1447 RComp Comp E Note1
Note2 Discov num HJ 2948 DRAs DDEs
R dRAs Year 1891 Theta 294 Rho 111.7
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20154S1506
HIC