Coord 2000 | 20136+4644 | Discov num | STFA 50 | Comp | AC | Coord arcsec 2000 | 20 13 37.90 +46 44 28.8 | ||||
Date first | 1779 | Date last | 2016 | Obs | 46 | ||||||
Pa first | 183 | Pa last | 172.7 | P.A. Now (θ) | 172.7° | ||||||
Sep first | 100.0 | Sep last | 108.6 | Sep. Now (ρ) | 108.6" | ||||||
Mag pri | 3.93 | Mag sec | 6.97 | delta mag (ΔM) | 3.04 | Spectral class | K2II (yellow-orange) | ||||
Pri motion ra | +005 | Sec motion ra | +003 | ||||||||
Pri motion dec | +001 | Sec motion dec | +003 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 49337 | 20 13 38 +46 44 29 | WRH 33 Aa,Ab | 1985 | 6 | 111 | 0.0 | 3.93 | Y | ||||
Show | 49337 | 20 13 38 +46 44 29 | HJ 1495 AB | 2015 | 12 | 328 | 36.5 | 3.93 | 13.40 | 9.47 | |||
Show | Omi1 Cyg | 49337 | 20 13 38 +46 44 29 | STFA 50 AC | 2016 | 46 | 173 | 108.6 | 3.93 | 6.97 | 3.04 | <=== | |
Show | 49337 | 20 13 38 +46 44 29 | STFA 50 AD | 2016 | 38 | 322 | 336.7 | 3.93 | 4.83 | 0.90 | |||
Show | 49337 | 20 13 38 +46 44 29 | BU 1483 AF | 2015 | 4 | 168 | 43.5 | 3.93 | 13.90 | 9.97 | |||
Show | 49338 | 20 13 39 +46 42 43 | BU 1483 CG | 2003 | 3 | 95 | 37.9 | 6.97 | 14.20 | 7.23 | |||
Show | 49338 | 20 13 39 +46 42 43 | BU 1483 CH | 2014 | 4 | 62 | 60.6 | 6.97 | 12.60 | 5.63 | |||
Show | 49338 | 20 13 39 +46 42 43 | BU 1483 CI | 2015 | 7 | 136 | 60.2 | 6.97 | 12.26 | 5.29 | |||
Show | 49332 | 20 13 18 +46 48 56 | GUI 30 DC | 2003 | 27 | 150 | 431.8 | 4.83 | 6.97 | 2.14 | |||
Show | 49332 | 20 13 18 +46 48 56 | ES 26 DE | 2003 | 4 | 252 | 36.3 | 4.83 | 13.20 | 8.37 | |||
Show | 20 13 39 +46 43 46 | SMR 68 FJ | 2021 | 4 | 218 | 4.0 | 13.90 | 15.10 | 1.20 | ||||
Show | 20 13 44 +46 43 11 | SMR 68 HK | 2021 | 9 | 263 | 9.0 | 11.74 | 10.87 | 0.87 |
Name | Omi1 Cyg | Var name | V695 Cyg | Constellation | Cygnus | SAO | 49337 | ||||
HIP | 99675 | Tycho2 | 3559-02797-1 | Gaia DR2 | 2082600852678091904 | HD | 192577 | ||||
HR | 7735 | GC | 28099 | ADS | 13554 | BD | BD+46 2882 | ||||
Bayer | Omicron 1 Cygni | Bayer name | Omi1 Cyg | Flamsteed | 31 Cygni | Flamsteed name | 31 Cyg | ||||
FK5 | 757 | Distance | 271 | Distance ly | 884 | Bayer greek | ο1 Cyg |
discov_num | notes | refcode |
WRH 33 | Aa,Ab: 31 Cyg = omi 1 Cyg. A spectroscopic, eclipsing, astrometric, | |
interferometric binary. A is the zeta Aurigae-type binary V695 Cyg. | ||
It is spectrum K4Ib+B3-4. | ||
Aa,Ab: Star D noted as single. See Wilson (1950) for extensive notes | ||
on comparison of measures with orbits, mass estimates, etc. | WRH1950a | |
Aa,Ab: Reality of these measures would seem more questionable than | ||
those published in 1950. | WRH1951 | |
Aa,Ab: Attempted to observe visually this 10yr binary which passed | ||
eclipse late in 1951. | WRH1954b | |
Aa,Ab: Correction for magnitude difference should increase this | ||
estimated separation. | WRH1955 | |
Aa,Ab seen single in 1953, resolved once again by McAlister in 1980. | McA1983 | |
1983.4905: Our ACFs do not resolve the system with much confidence | ||
(theta ~168 deg, rho ~0".029). | Bag1984a | |
Hipparcos astrometric solution adopted some elements from the orbit of | HIP1997d | |
Wright (1970). | Wri1970 | |
Mk III Limb-darkened diameter 4.47 +/- 0.06 mas. | MkT2001 | |
Mk III Limb-darkened diameter 4.362 +/- 0.044 mas. | MkT2003 | |
NPOI Limb-darkened diameter 4.49 +/- 0.06 mas. | NOI2001b | |
GUI 30 | D: 30 Cyg. | |
STFA 50 | STTA204. | |
AC: H 6 10. | MEv2010 |
refcode | metd | author | reference |
Bag1984a | S j | Balega, Y.Y. & Ryadchenko, V.P. | 1984SvAL...10...95B |
Bag1984a | SvAL 10, 95, 1984 | ||
HIP1997d | orb - | Hipparcos | 1997yCat.1239....0E |
HIP1997d | Hipparcos Catalog, ESA SP-1200, 1997 | ||
HIP1997d | (DMSA/O Orbital Solutions) | ||
McA1983 | Sc j | McAlister, H.A., Hendry, E.M., Hartkopf, W.I., Campbell, B.G., & Fekel, F.C. | 1983ApJS...51..309M |
McA1983 | ApJS 51, 309, 1983 | ||
MEv2010 | - | MacEvoy, B. | ................... |
MEv2010 | private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) | ||
MkT2001 | not j | Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. | 2001AJ....122.2707N |
MkT2001 | AJ 122, 2707, 2001 | . | |
MkT2003 | Km - | Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., | 2003AJ....126.2502M |
MkT2003 | +not | Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R. | |
MkT2003 | AJ 126, 2502, 2003 | ||
NOI2001b | not j | Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. | 2001AJ....122.2707N |
NOI2001b | AJ 122, 2707, 2001 | . | |
WRH1950a | J j | Wilson, R.H. | 1950AJ.....55..153W |
WRH1950a | +Ma | AJ 55, 153, 1950 | |
WRH1950a | (U and T coded observations per van den Bos, J Obs 34, 85, 1951) | 1951JO.....34...85V | |
WRH1951 | J j | Wilson, R.H. | 1951AJ.....56...69W |
WRH1951 | +Ma | AJ 56, 69, 1951 | |
WRH1951 | (U and T coded observations per van den Bos, J Obs 34, 85, 1951) | 1951JO.....34...85V | |
WRH1954b | J j | Wilson, R.H. | 1954AJ.....59..256W |
WRH1954b | +Ma | AJ 59, 256, 1954 | |
WRH1955 | J j | Wilson, R.H. | 1955AJ.....60..446W |
WRH1955 | +Ma | AJ 60, 446, 1955 | |
Wri1970 | - | Wright, K.O. | 1970VA.....12..147W |
Wri1970 | Vistas Astr. 12, 147, 1970 |
idgroup | discov | author |
1 | BU | Burnham, S.W. (BU 1 - 81) |
179 | ES | Espin, T.E. |
274 | GUI | Guillaume, J. |
279 | HJ | Herschel, J.F.W. |
328 | SMR | Schlimmer, J. |
383 | STF | Struve, F.G.W. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20136+4644 | STFA 50 | AC | 2008 | 38 | 174 | 106.7 | 3.93 | 6.97 | K2II | D | 201337.90+464428.8 |
20136+4644 | STFA 50 | AC | 2011 | 40 | 174 | 111.0 | 3.93 | 6.97 | K2II | N D | 201337.90+464428.8 |
20136+4644 | STFA 50 | AC | 2014 | 43 | 173 | 106.8 | 3.93 | 6.97 | K2II | N D | 201337.90+464428.8 |
20136+4644 | STFA 50 | AC | 2015 | 45 | 173 | 106.8 | 3.93 | 6.97 | K2II | N | 201337.90+464428.8 |
20136+4644 | STFA 50 | AC | 2016 | 46 | 173 | 108.6 | 3.93 | 6.97 | K2II | N | 201337.90+464428.8 |
Show | date | username ⇑ | difficulty | separation | pa_estim | interest | notes |
Show | 13/10/09 | gianluca.paone | easy | separated | 176 | interesting | Pa estim 176° |
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 | Ab | B | C | D | E | F | G | H | I | J | |
Ab | pa=119.8° sep=0.02" | ||||||||||
B | pa=336.5° sep=33.57" | pa=336.5° sep=33.58" | |||||||||
C | pa=172.8° sep=107.04" | pa=172.8° sep=107.03" | pa=169.0° sep=139.57" | ||||||||
D | pa=322.7° sep=336.50" | pa=322.7° sep=336.51" | pa=321.2° sep=304.00" | pa=329.8° sep=432.43" | |||||||
E | pa=318.4° sep=342.82" | pa=318.4° sep=342.84" | pa=316.5° sep=311.08" | pa=326.4° sep=435.36" | pa=244.5° sep=26.18" | ||||||
F | pa=167.6° sep=43.52" | pa=167.6° sep=43.50" | pa=162.8° sep=76.73" | pa=356.4° sep=63.83" | pa=145.5° sep=376.42" | pa=141.6° sep=381.41" | |||||
G | pa=160.2° sep=116.03" | pa=160.2° sep=116.02" | pa=159.4° sep=149.55" | pa=96.5° sep=26.11" | pa=147.2° sep=448.52" | pa=143.9° sep=452.63" | pa=155.8° sep=73.09" | ||||
H | pa=139.2° sep=102.48" | pa=139.2° sep=102.46" | pa=143.5° sep=134.90" | pa=61.9° sep=60.74" | pa=141.9° sep=438.83" | pa=138.6° sep=445.29" | pa=121.4° sep=67.44" | pa=41.2° sep=41.97" | |||
I | pa=164.3° sep=155.45" | pa=164.4° sep=155.43" | pa=163.0° sep=188.76" | pa=146.7° sep=52.04" | pa=149.5° sep=484.40" | pa=146.4° sep=487.39" | pa=163.1° sep=112.03" | pa=176.3° sep=40.59" | pa=199.1° sep=76.29" | ||
J | pa=170.5° sep=46.27" | pa=170.5° sep=46.26" | pa=164.6° sep=79.26" | pa=354.6° sep=60.84" | pa=146.0° sep=378.05" | pa=142.1° sep=382.83" | pa=208.4° sep=3.56" | pa=333.5° sep=70.99" | pa=298.3° sep=67.35" | pa=341.8° sep=109.55" | |
K | pa=142.3° sep=99.52" | pa=142.3° sep=99.50" | pa=145.9° sep=132.32" | pa=60.0° sep=54.82" | pa=142.6° sep=436.02" | pa=139.3° sep=442.16" | pa=125.2° sep=62.97" | pa=35.3° sep=37.26" | pa=259.1° sep=6.22" | pa=14.9° sep=73.38" | pa=121.9° sep=62.65" |
Var name | V695 Cyg | Coord arcsec 2000 | 201337.90+464428.8 | Mag | 3.93 | Spectral class | K2II (yellow-orange) | ||||
PmRA | 5.00 | PmDE | 1.0 | SAO | 49337 | HIP | 99675 | ||||
Tycho2 | 3559-02797-1 | HD | 192577 | HR | 7735 | GC | 28099 | ||||
ADS | 13554 | BD | BD+46 2882 | Bayer | Omicron 1 Cygni | Bayer name | Omi1 Cyg | ||||
Flamsteed | 31 Cygni | Flamsteed name | 31 Cyg | FK5 | 757 |
Tycho2 | 3559-02797-1 | Pflag | RAmdeg | 303.40794312 | DEmdeg | 46.74133072 | |||||
PmRA | 3.5 | PmDE | 3.3 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 0.6 | E pmDE | 0.7 | EpRAm | 1991.33 | EpDEm | 1991.47 | ||||
Num | 19 | Q RAmdeg | 1.0 | Q DEmdeg | 1.7 | Q pmRA | 1.2 | ||||
Q pmDE | 1.7 | BTmag | 5.329 | E BTmag | 0.014 | VTmag | 3.929 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 99675 | ||||
CCDM | RAdeg | 303.40793111 | DEdeg | 46.74132306 | EpRA 1990 | 1.69 | |||||
EpDE 1990 | 1.74 | E RAdeg | 3.3 | E DEdeg | 3.3 | Posflg | |||||
Corr | 0.0 |
SAO | 49337 | DelFlag | RA1950 | PmRA1950 | 0 | ||||||
DE1950 | PmDE1950 | 0.005 | Vmag | 4 | SpType | +++ | |||||
Double code | Source | 74 | CatNum | 757 | DM | BD+46 2882 | |||||
DMcomp | BDsup | HD | 192577 | M HD | 0 | ||||||
GC | 28099 | RA1950rad | 5.28859073 | DE1950rad | 0.81312893 | PmRA2000 | 0.0004 | ||||
PmDE2000 | 0.003 |
Catalog | H | HIP | 99675 | Proxy | RAhms | 20 13 37.90 | |||||
DEdms | +46 44 28.8 | Vmag | 3.8 | VarFlag | 2 | R Vmag | G | ||||
RAdeg | 303.408 | DEdeg | 46.7413 | AstroRef | + | Plx | 2.41 | ||||
CCDM | 20135+4646 | N CCDM | I | Nsys | 3 | Ncomp | 1 | ||||
MultFlag | O | Source | Qual | M HIP | |||||||
Theta | Rho | HD | 192577 | BD | BD+46 2882 | ||||||
CD | CP | Dm number | +46 2882 | VIred | 1.15 | ||||||
SpType | K2II+... | R SpType | Coord arcsec 2000 | 201337.90+464428.8 |
HIP | 99675 | Sn | 75 | So | 4 | Nc | 1 | ||||
RArad | 5.2954673023 | DErad | 0.8157900188 | Plx | 3.69 | PmRA | 4.78 | ||||
PmDE | 1.21 | E RArad | 0.35 | E DErad | 0.33 | E Plx | 0.41 | ||||
E pmRA | 0.38 | E pmDE | 0.35 | Hpmag | 3.9123 | E Hpmag | 0.0009 | ||||
SHp | 0.007 | VA | 1 | BV | 1.27 | E BV | 0.042 | ||||
VI | 1.15 |
Coord arcsec 2000 | 201337.90+464428.8 | Spectral class | B3V (blue-white) | Calc delta mag | 3.93 | Calc coord | yes |
Coord arcsec 2000 | 201336.60+464459.6 | Mag | 13.4 | PmRA | -10.00 | PmDE | -6.0 | ||||
Calc delta mag | 9.47 | Calc coord | yes |
Coord arcsec 2000 | 201339.20+464242.6 | Coord calc | 201339.20+464242.6 | Mag | 6.97 | Spectral class | B5V (blue-white) | ||||
PmRA | 3.00 | PmDE | 3.0 | SAO | 49338 | HIP | 99676 | ||||
Tycho2 | 3559-02607-1 | HD | 192579 | GC | 28101 | BD | BD+46 2883 | ||||
Calc delta mag | 3.04 |
Tycho2 | 3559-02607-1 | Pflag | RAmdeg | 303.41333625 | DEmdeg | 46.71186173 | |||||
PmRA | 5.3 | PmDE | 1.9 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 1.0 | E pmDE | 1.2 | EpRAm | 1991.54 | EpDEm | 1991.46 | ||||
Num | 10 | Q RAmdeg | 1.8 | Q DEmdeg | 1.0 | Q pmRA | 1.9 | ||||
Q pmDE | 1.1 | BTmag | 6.823 | E BTmag | 0.015 | VTmag | 6.971 | ||||
E VTmag | 0.010 | Prox | 999 | TYC | T | HIP | 99676 | ||||
CCDM | RAdeg | 303.41331833 | DEdeg | 46.71185722 | EpRA 1990 | 1.78 | |||||
EpDE 1990 | 1.65 | E RAdeg | 3.8 | E DEdeg | 4.4 | Posflg | |||||
Corr | 0.0 |
SAO | 49338 | DelFlag | RA1950 | PmRA1950 | -0.0006 | ||||||
DE1950 | PmDE1950 | -0.004 | Vmag | 6.9 | SpType | B9 | |||||
Double code | Source | 70 | CatNum | 28101 | DM | BD+46 2883 | |||||
DMcomp | BDsup | HD | 192579 | M HD | 0 | ||||||
GC | 28101 | RA1950rad | 5.28867921 | DE1950rad | 0.81261133 | PmRA2000 | -0.0002 | ||||
PmDE2000 | -0.006 |
Catalog | H | HIP | 99676 | Proxy | RAhms | 20 13 39.20 | |||||
DEdms | +46 42 42.7 | Vmag | 7.01 | VarFlag | R Vmag | H | |||||
RAdeg | 303.413 | DEdeg | 46.7119 | AstroRef | Plx | 1.9 | |||||
CCDM | 20135+4646 | N CCDM | I | Nsys | 3 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 192579 | BD | BD+46 2883 | ||||||
CD | CP | Dm number | +46 2883 | VIred | -0.12 | ||||||
SpType | B9 | R SpType | Coord arcsec 2000 | 201339.20+464242.7 |
HIP | 99676 | Sn | 7 | So | 0 | Nc | 1 | ||||
RArad | 5.2955613893 | DErad | 0.8152756934 | Plx | 2.37 | PmRA | 3.23 | ||||
PmDE | 3.03 | E RArad | 0.35 | E DErad | 0.33 | E Plx | 0.4 | ||||
E pmRA | 0.45 | E pmDE | 0.45 | Hpmag | 6.9609 | E Hpmag | 0.0006 | ||||
SHp | 0.008 | VA | 0 | BV | -0.133 | E BV | 0.01 | ||||
VI | -0.12 |
Coord arcsec 2000 | 201318.04+464856.4 | Coord calc | 201318.04+464856.4 | Mag | 4.83 | Spectral class | A5IIIn (white) | ||||
PmRA | 14.00 | PmDE | 3.0 | SAO | 49332 | HIP | 99639 | ||||
Tycho2 | 3559-02796-1 | HD | 192514 | HR | 7730 | GC | 28091 | ||||
BD | BD+46 2881 | Flamsteed | 30 Cygni | Flamsteed name | 30 Cyg | Calc delta mag | 0.9 |
Tycho2 | 3559-02796-1 | Pflag | RAmdeg | 303.32522370 | DEmdeg | 46.81567203 | |||||
PmRA | 13.7 | PmDE | 1.1 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 0.8 | E pmDE | 0.9 | EpRAm | 1991.51 | EpDEm | 1991.55 | ||||
Num | 17 | Q RAmdeg | 0.7 | Q DEmdeg | 1.3 | Q pmRA | 0.8 | ||||
Q pmDE | 1.1 | BTmag | 4.942 | E BTmag | 0.014 | VTmag | 4.832 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 99639 | ||||
CCDM | RAdeg | 303.32517778 | DEdeg | 46.81566944 | EpRA 1990 | 1.71 | |||||
EpDE 1990 | 1.72 | E RAdeg | 3.4 | E DEdeg | 3.4 | Posflg | |||||
Corr | 0.0 |
SAO | 49332 | DelFlag | RA1950 | PmRA1950 | 0.0008 | ||||||
DE1950 | PmDE1950 | 0.001 | Vmag | 5 | SpType | A2 | |||||
Double code | Source | 70 | CatNum | 28091 | DM | BD+46 2881 | |||||
DMcomp | BDsup | HD | 192514 | M HD | 0 | ||||||
GC | 28091 | RA1950rad | 5.28715729 | DE1950rad | 0.81443319 | PmRA2000 | 0.0012 | ||||
PmDE2000 | -0.001 |
Catalog | H | HIP | 99639 | Proxy | RAhms | 20 13 18.04 | |||||
DEdms | +46 48 56.4 | Vmag | 4.8 | VarFlag | R Vmag | H | |||||
RAdeg | 303.325 | DEdeg | 46.8157 | AstroRef | Plx | 4.55 | |||||
CCDM | 20135+4646 | N CCDM | I | Nsys | 3 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 192514 | BD | BD+46 2881 | ||||||
CD | CP | Dm number | +46 2881 | VIred | 0.19 | ||||||
SpType | A5IIIn | R SpType | Coord arcsec 2000 | 201318.04+464856.4 |
HIP | 99639 | Sn | 7 | So | 0 | Nc | 1 | ||||
RArad | 5.2940229928 | DErad | 0.8170876033 | Plx | 5.34 | PmRA | 13.83 | ||||
PmDE | 3 | E RArad | 0.28 | E DErad | 0.26 | E Plx | 0.33 | ||||
E pmRA | 0.33 | E pmDE | 0.33 | Hpmag | 4.864 | E Hpmag | 0.0004 | ||||
SHp | 0.004 | VA | 0 | BV | 0.1 | E BV | 0.006 | ||||
VI | 0.19 |
Coord arcsec 2000 | 201315.74+464845.1 | Mag | 13.2 | Calc delta mag | 9.27 | Calc coord | yes |
Coord arcsec 2000 | 201338.81+464346.3 | Coord calc | 201338.81+464346.3 | Mag | 13.9 | PmRA | 5.00 | ||||
PmDE | 4.0 | Calc delta mag | 9.97 |
Coord arcsec 2000 | 201341.72+464239.6 | Mag | 14.2 | PmRA | -3.00 | PmDE | -15.0 | ||||
Calc delta mag | 10.27 | Calc coord | yes |
Coord arcsec 2000 | 201344.41+464311.2 | Coord calc | 201344.41+464311.2 | Mag | 11.74 | PmRA | 0.00 | ||||
PmDE | -2.0 | Calc delta mag | 7.81 |
Coord arcsec 2000 | 201341.98+464159.1 | Mag | 12.26 | PmRA | -2.00 | PmDE | -6.0 | ||||
Calc delta mag | 8.33 | Calc coord | yes |
Coord arcsec 2000 | 201338.65+464343.2 | Mag | 15.1 | Calc delta mag | 11.17 | Calc coord | yes |
Coord arcsec 2000 | 201343.82+464310.0 | Mag | 10.87 | Calc delta mag | 6.94 | Calc coord | yes |