Coord 2000 | 20375+3134 | Discov num | FYM 138 | Comp | BG | Coord arcsec 2000 | 20 37 32.71 +31 31 18.9 | ||||
Date first | 1998 | Date last | 2015 | Obs | 4 | ||||||
Pa first | 84 | Pa last | 83.1 | P.A. Now (θ) | 83.1° | ||||||
Sep first | 61.8 | Sep last | 62.457 | Sep. Now (ρ) | 62.457" | ||||||
Mag pri | 6.54 | Mag sec | 15.00 | delta mag (ΔM) | 8.46 | Spectral class | F0V (yellow-white) | ||||
Pri motion ra | -035 | Sec motion ra | |||||||||
Pri motion dec | -030 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 48 Cyg | 70287 | 20 37 32 +31 34 21 | STFA 53 AB | 2012 | 35 | 177 | 182.7 | 6.29 | 6.54 | 0.25 | ||
Show | 70287 | 20 37 32 +31 34 21 | STFA 53 AC | 2015 | 4 | 0 | 71.3 | 6.29 | 13.52 | 7.23 | |||
Show | 70287 | 20 37 32 +31 34 21 | FYM 138 AH | 2012 | 3 | 89 | 111.0 | 6.29 | 14.00 | 7.71 | |||
Show | 70289 | 20 37 33 +31 31 19 | FYM 138 BD | 2015 | 4 | 35 | 41.0 | 6.54 | 14.50 | 7.96 | |||
Show | 70289 | 20 37 33 +31 31 19 | FYM 138 BE | 2015 | 4 | 29 | 58.4 | 6.54 | 14.40 | 7.86 | |||
Show | 70289 | 20 37 33 +31 31 19 | FYM 138 BF | 2015 | 4 | 81 | 38.8 | 6.54 | 15.20 | 8.66 | |||
Show | 70289 | 20 37 33 +31 31 19 | FYM 138 BG | 2015 | 4 | 83 | 62.5 | 6.54 | 15.00 | 8.46 | <=== |
Constellation | Cygnus | SAO | 70289 | HIP | 101768 | Tycho2 | 2686-01752-1 | ||||
Gaia DR2 | 1862662518115288192 | HD | 196629 | HR | 7887 | BD | BD+31 4160 | ||||
Distance | 49.26 | Distance ly | 160.69 |
discov_num | notes | refcode |
STFA 53 | B is BD+31@4160. |
refcode | metd | author | reference |
FyM2013 | C j | Fay, M. | 2013OED....10...38F |
FyM2013 | El Observador de Estrellas Dobles, Issue #10, 38, 2013 | ||
FyM2013b | C j | Fay, M. | . |
FyM2013b | Il Bollettino Delle Stelle Doppie 5, 10, 2013 | ||
FyM2013c | C j | Fay, M. | . |
FyM2013c | Il Bollettino Delle Stelle Doppie 6, 40, 2013 | ||
FyM2013d | C j | Fay, M. | . |
FyM2013d | Il Bollettino Delle Stelle Doppie 6, 46, 2013 | ||
FyM2014 | C j | Fay, M. | . |
FyM2014 | Il Bollettino Delle Stelle Doppie 9, 36, 2014 | ||
FyM2014 | (Italian translation on page 21 of the same publication) | ||
FyM2014b | C - | Fay, M. | . |
FyM2014b | private communication | ||
FyM2014c | C j | Fay, M. | 2014OED....13...19F |
FyM2014c | El Observador de Estrellas Dobles, Issue #13, 19, 2014 | ||
FyM2015a | C j | Fay, M. | 2015OED....14...48F |
FyM2015a | El Observador de Estrellas Dobles, Issue #14, 48, 2015 | ||
FyM2015b | C j | Fay, M. | 2015OED....15...48F |
FyM2015b | El Observador de Estrellas Dobles, Issue #15, 48, 2015 | ||
FyM2016a | C - | Fay, M. | 2016OED....16...94F |
FyM2016a | El Observador de Estrellas Dobles, Issue #16, 94, 2016 | ||
FyM2016b | C j | Fay, M. | 2016OED....16..132F |
FyM2016b | El Observador de Estrellas Dobles, Issue #16, 132, 2016 | ||
FyM2016c | C j | Fay, M. | 2016OED....17...14F |
FyM2016c | El Observador de Estrellas Dobles, Issue #17, 14, 2016 | ||
FyM2017a | C - | Fay, M. | . |
FyM2017a | Il Bollettino Delle Stelle Doppie 20, 51, 2017 | ||
FyM2017a | (Italian translation on page 29 of the same publication) | ||
FyM2017b | C j | Fay, M. | 2017OED....19...71F |
FyM2017b | El Observador de Estrellas Dobles, Issue #19, 71, 2017 | ||
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. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20375+3134 | FYM 138 | BG | 2012 | 3 | 83 | 62.0 | 6.54 | 15.00 | F0V | N | 203732.71+313118.9 |
20375+3134 | FYM 138 | BG | 2015 | 4 | 83 | 62.5 | 6.54 | 15.00 | F0V | N | 203732.71+313118.9 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | B | C | D | E | F | G | |
B | pa=176.2° sep=182.60" | ||||||
C | pa=0.3° sep=71.34" | pa=357.4° sep=253.81" | |||||
D | pa=167.9° sep=151.83" | pa=30.5° sep=39.16" | pa=171.8° sep=222.04" | ||||
E | pa=164.6° sep=136.10" | pa=25.4° sep=56.45" | pa=170.0° sep=205.69" | pa=14.2° sep=17.79" | |||
F | pa=165.8° sep=181.77" | pa=79.6° sep=33.19" | pa=169.9° sep=251.48" | pa=155.3° sep=30.56" | pa=169.4° sep=45.79" | ||
G | pa=159.6° sep=186.35" | pa=81.9° sep=53.38" | pa=165.3° sep=254.36" | pa=128.5° sep=42.17" | pa=146.6° sep=52.09" | pa=85.7° sep=20.27" | |
H | pa=88.6° sep=94.58" | pa=24.1° sep=202.15" | pa=126.2° sep=116.79" | pa=22.6° sep=163.29" | pa=23.6° sep=145.72" | pa=15.6° sep=185.38" | pa=9.5° sep=179.50" |
Name | 48 Cyg | Coord arcsec 2000 | 203731.77+313421.1 | Mag | 6.29 | Spectral class | B8III (blue-white) | ||||
PmRA | 9.00 | PmDE | 0.0 | SAO | 70287 | HIP | 101765 | ||||
Tycho2 | 2686-01751-1 | HD | 196606 | HR | 7885 | GC | 28713 | ||||
BD | BD+31 4159 | Flamsteed | 48 Cygni | Flamsteed name | 48 Cyg |
Tycho2 | 2686-01751-1 | Pflag | RAmdeg | 309.38240686 | DEmdeg | 31.57254261 | |||||
PmRA | 8.3 | PmDE | 0.6 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1991.62 | EpDEm | 1991.69 | ||||
Num | 11 | Q RAmdeg | 0.7 | Q DEmdeg | 0.7 | Q pmRA | 0.8 | ||||
Q pmDE | 0.8 | BTmag | 6.194 | E BTmag | 0.014 | VTmag | 6.290 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 101765 | ||||
CCDM | RAdeg | 309.38238472 | DEdeg | 31.57254111 | EpRA 1990 | 1.73 | |||||
EpDE 1990 | 1.80 | E RAdeg | 3.3 | E DEdeg | 3.4 | Posflg | |||||
Corr | 0.2 |
SAO | 70287 | DelFlag | RA1950 | PmRA1950 | 0.0006 | ||||||
DE1950 | PmDE1950 | 0.003 | Vmag | 6.2 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 28713 | DM | BD+31 4159 | |||||
DMcomp | BDsup | HD | 196606 | M HD | 0 | ||||||
GC | 28713 | RA1950rad | 5.39086374 | DE1950rad | 0.54797958 | PmRA2000 | 0.0008 | ||||
PmDE2000 | 0 |
Catalog | H | HIP | 101765 | Proxy | RAhms | 20 37 31.77 | |||||
DEdms | +31 34 21.1 | Vmag | 6.32 | VarFlag | R Vmag | G | |||||
RAdeg | 309.382 | DEdeg | 31.5725 | AstroRef | Plx | 4.16 | |||||
CCDM | 20375+3133 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 196606 | BD | BD+31 4159 | ||||||
CD | CP | Dm number | +31 4159 | VIred | -0.07 | ||||||
SpType | B8IIIn | R SpType | Coord arcsec 2000 | 203731.77+313421.1 |
HIP | 101765 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.3997412367 | DErad | 0.5510448041 | Plx | 3.82 | PmRA | 9.01 | ||||
PmDE | -0.3 | E RArad | 0.17 | E DErad | 0.21 | E Plx | 0.33 | ||||
E pmRA | 0.21 | E pmDE | 0.21 | Hpmag | 6.3002 | E Hpmag | 0.0006 | ||||
SHp | 0.008 | VA | 0 | BV | -0.089 | E BV | 0.003 | ||||
VI | -0.07 |
Coord arcsec 2000 | 203732.71+313118.9 | Coord calc | 203732.71+313118.9 | Mag | 6.54 | Spectral class | F0V (yellow-white) | ||||
PmRA | -35.00 | PmDE | -30.0 | SAO | 70289 | HIP | 101768 | ||||
Tycho2 | 2686-01752-1 | HD | 196629 | HR | 7887 | GC | 28715 | ||||
BD | BD+31 4160 | Calc delta mag | 0.25 |
Tycho2 | 2686-01752-1 | Pflag | RAmdeg | 309.38629092 | DEmdeg | 31.52191531 | |||||
PmRA | -34.5 | PmDE | -30.3 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 0.9 | E pmDE | 0.9 | EpRAm | 1991.42 | EpDEm | 1991.43 | ||||
Num | 15 | Q RAmdeg | 0.8 | Q DEmdeg | 0.5 | Q pmRA | 0.9 | ||||
Q pmDE | 0.4 | BTmag | 6.909 | E BTmag | 0.014 | VTmag | 6.538 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 101768 | ||||
CCDM | RAdeg | 309.38638444 | DEdeg | 31.52198472 | EpRA 1990 | 1.69 | |||||
EpDE 1990 | 1.76 | E RAdeg | 3.5 | E DEdeg | 3.5 | Posflg | |||||
Corr | 0.2 |
SAO | 70289 | DelFlag | RA1950 | PmRA1950 | -0.0037 | ||||||
DE1950 | PmDE1950 | -0.03 | Vmag | 6.4 | SpType | F0 | |||||
Double code | Source | 70 | CatNum | 28715 | DM | BD+31 4160 | |||||
DMcomp | BDsup | HD | 196629 | M HD | 0 | ||||||
GC | 28715 | RA1950rad | 5.39093654 | DE1950rad | 0.54710256 | PmRA2000 | -0.0035 | ||||
PmDE2000 | -0.033 |
Catalog | H | HIP | 101768 | Proxy | RAhms | 20 37 32.73 | |||||
DEdms | +31 31 19.2 | Vmag | 6.51 | VarFlag | R Vmag | H | |||||
RAdeg | 309.386 | DEdeg | 31.522 | AstroRef | Plx | 20.3 | |||||
CCDM | 20375+3133 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 196629 | BD | BD+31 4160 | ||||||
CD | CP | Dm number | +31 4160 | VIred | 0.43 | ||||||
SpType | F0V | R SpType | Coord arcsec 2000 | 203732.73+313119.2 |
HIP | 101768 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.399811142 | DErad | 0.5501624687 | Plx | 20.3 | PmRA | -34.27 | ||||
PmDE | -31.4 | E RArad | 0.21 | E DErad | 0.24 | E Plx | 0.39 | ||||
E pmRA | 0.27 | E pmDE | 0.26 | Hpmag | 6.5964 | E Hpmag | 0.0005 | ||||
SHp | 0.008 | VA | 0 | BV | 0.371 | E BV | 0.004 | ||||
VI | 0.43 |
Coord arcsec 2000 | 203731.79+313532.4 | Mag | 13.52 | PmRA | 8.00 | PmDE | 4.0 | ||||
Calc delta mag | 7.23 | Calc coord | yes |
Coord arcsec 2000 | 203734.26+313152.7 | Mag | 14.5 | Calc delta mag | 8.21 | Calc coord | yes |
Coord arcsec 2000 | 203734.60+313209.9 | Mag | 14.4 | Calc delta mag | 8.11 | Calc coord | yes |
Coord arcsec 2000 | 203735.26+313124.9 | Mag | 15.2 | Calc delta mag | 8.91 | Calc coord | yes |
Coord arcsec 2000 | 203736.84+313126.4 | Mag | 15 | Calc delta mag | 8.71 | Calc coord | yes |
Coord arcsec 2000 | 203739.17+313423.4 | Mag | 14 | PmRA | 1.00 | PmDE | -4.0 | ||||
Calc delta mag | 7.71 | Calc coord | yes |