Coord 2000 | 22292+5825 | Discov num | FYM 115 | Comp | AH | Coord arcsec 2000 | 22 29 10.25 +58 24 54.7 | ||||
Date first | 2003 | Date last | 2015 | Obs | 3 | ||||||
Pa first | 38 | Pa last | 37.9 | P.A. Now (θ) | 37.9° | ||||||
Sep first | 28.3 | Sep last | 27.351 | Sep. Now (ρ) | 27.351" | ||||||
Mag pri | 4.21 | Mag sec | 14.90 | delta mag (ΔM) | 10.69 | Spectral class | F5Iab (yellow-white) | ||||
Pri motion ra | +015 | Sec motion ra | |||||||||
Pri motion dec | +003 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 34508 | 22 29 10 +58 24 55 | BU 702 AB | 2015 | 11 | 282 | 21.5 | 4.21 | 13.00 | 8.79 | |||
Show | Del Cep | 34508 | 22 29 10 +58 24 55 | STFA 58 AC | 2018 | 98 | 191 | 41.0 | 4.21 | 6.11 | 1.90 | ||
Show | 34508 | 22 29 10 +58 24 55 | DAL 45 AD | 2015 | 4 | 39 | 109.0 | 4.21 | 13.90 | 9.69 | |||
Show | 34508 | 22 29 10 +58 24 55 | FOX 9037 AF | 2015 | 5 | 49 | 37.3 | 4.21 | 13.90 | 9.69 | |||
Show | 34508 | 22 29 10 +58 24 55 | FYM 115 AG | 2015 | 4 | 287 | 89.4 | 4.21 | 13.89 | 9.68 | |||
Show | 34508 | 22 29 10 +58 24 55 | FYM 115 AH | 2015 | 3 | 38 | 27.4 | 4.21 | 14.90 | 10.69 | <=== | ||
Show | 34508 | 22 29 10 +58 24 55 | FYM 115 AI | 2015 | 3 | 110 | 38.5 | 4.21 | 15.20 | 10.99 | |||
Show | 34508 | 22 29 10 +58 24 55 | FYM 115 AJ | 2015 | 3 | 287 | 33.2 | 4.21 | 15.20 | 10.99 | |||
Show | 22 29 19 +58 26 20 | DAL 45 DE | 2008 | 1 | 23 | 1.4 | 13.90 | 14.00 | 0.10 |
Constellation | Cepheus | SAO | 34508 | HIP | 110991 | Tycho2 | 3995-01479-1 | ||||
Gaia DR2 | 2200153454723522432 | HD | 213306 | HR | 8571 | GC | 31421 | ||||
ADS | 15987 | BD | BD+57 2548 | Bayer | Delta Cephei | Bayer name | Del Cep | ||||
Flamsteed | 27 Cephei | Flamsteed name | 27 Cep | FK5 | 847 | Distance | 265.25 | ||||
Distance ly | 865.25 | Bayer greek | δ Cep |
discov_num | notes | refcode |
BU 702 | A: del Cep = 27 Cep. Prototype of the Cepheid variables, P = 5.36d. | |
A: Gallene et al. (2016) searched for close companions to del Cep, | ||
using the CHARA Array. H-band magnitude limits for separation regimes | ||
r < 25 mas, 25 < r < 50 mas, and 50 < r < 100 mas of 6.17, 5.63, and | ||
5.26 mags correspond to spectral type limits for possible companions | ||
of F0V, A1V, and B9V, respectively, | CIA2016a | |
NPOI Limb-darkened diameter 1.52 +/- 0.02 mas, | NOI1999 | |
R = 51. +/- 9. \rsun. | ||
NPOI Limb-darkened diameter 1.520 +/- 0.014 mas. | NOI2001a | |
STFA 58 | STTA235. C is variable and a spectroscopic binary. | |
AC: H 5 4. | MEv2010 | |
C: Benedict et al. (2002) used the HST FGS3 to derive parallaxes for | ||
del Cep (3.66 +/- 0.15 mas) and its 40" companion HD 213307 = STFA 58C | ||
(3.65 +/- 0.15 mas). Residuals to the data for the C component showed | ||
long-term and non-linear trends, which they used to derive a | ||
preliminary perturbation orbit with period 390d and a = 2.0 mas. | AST2002b | |
In addition to detecting the unresolved spectroscopic companion with | ||
P = 2202 +/- 6d a parallax of 4.09 +/- 0.16 is determined for the | ||
system from Hipparcos Intermediate Data. | IRA2015 | |
Masses are 5.2 and 4. Msun. Estimated period = 345,000y, | ||
a = 10,000au = 38.6". | Evs2013 |
refcode | metd | author | reference |
AST2002b | Hf - | Benedict, G.F., McArthur, B.E., Fredrick, L.W., Harrison, T.E., Slesnick, C.L., | 2002AJ....124.1695B |
AST2002b | +orb | Rhee, J., Patterson, R.J., Skrutskie, M.F., Franz, O.G., Wasserman, L.H., | |
AST2002b | Jeffreys, W.H., Nelan, E., et al. | ||
AST2002b | AJ 124, 1695, 2002 | ||
CIA2016a | Kc - | Gallenne, A., Merand, A., Kervella, P., Monnier, J., Schaefer, G.H., | 2016MNRAS.461.1451G |
CIA2016a | Roettenbacher, R.M., Gieren, W., Pietrzynski, G., McAlister, H.A., | ||
CIA2016a | ten Brummelaar, T.A., Sturmann, J., Sturmann, L., Turner, N.H., & Anderson, R.I. | ||
CIA2016a | MNRAS 461, 1451, 2016 | ||
Evs2013 | Hp j | Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Karovska, M., & Tingle, E. | 2013AJ....146...93E |
Evs2013 | +X | AJ 146, 93, 2013 | |
IRA2015 | X - | Anderson, R.I., Sahlmann, J., Holl, B., Eyer, L., Palaversa, L., Mowlavi, N., | 2015ApJ...804..144A |
IRA2015 | Suveges, M. & Roelens, M. | ||
IRA2015 | ApJ 804, 144, 2015 | ||
MEv2010 | - | MacEvoy, B. | ................... |
MEv2010 | private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) | ||
NOI1999 | not j | Nordgren, T.E., Germain, M.E., Benson, J.A., Mozurkewich, D., Sudol, J.J., Elias, | 1999AJ....118.3032N |
NOI1999 | II, N.M., Hajian, A.R., White, N.M., Hutter, D.J., Johnston, K.J., Gauss, F.S., | . | |
NOI1999 | Armstrong, J.T., Pauls, T.A. & Rickard, L.J. | . | |
NOI1999 | AJ 118, 3032, 1999 | . | |
NOI2001a | not j | Armstrong, J.T., Nordgren, T.E., Germain, M.E., Hajian, A.R., Hindsley, R.B., | 2001AJ....121..476A |
NOI2001a | Hummel, C.A., Mozurkewich, D. & Thessin, R.N. | . | |
NOI2001a | AJ 121, 476, 2001 | . |
idgroup | discov | author |
1 | BU | Burnham, S.W. (BU 1 - 81) |
179 | DAL | Daley, J.A. |
229 | FOX | Fox, P. |
240 | FYM | Fay, M. |
267 | STF | Struve, F.G.W. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
22292+5825 | FYM 115 | AH | 2012 | 2 | 36 | 27.0 | 4.21 | 14.90 | B7V | N | 222910.25+582454.7 |
22292+5825 | FYM 115 | AH | 2015 | 3 | 38 | 27.4 | 4.21 | 14.90 | F5Iab | N | 222910.25+582454.7 |
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 | H | I | |
B | pa=292.8° sep=11.92" | ||||||||
C | pa=186.0° sep=40.38" | pa=171.4° sep=45.27" | |||||||
D | pa=38.6° sep=109.70" | pa=44.4° sep=113.54" | pa=30.0° sep=145.36" | ||||||
E | pa=38.3° sep=110.88" | pa=44.1° sep=114.65" | pa=29.9° sep=146.61" | pa=12.3° sep=1.31" | |||||
F | pa=30.9° sep=28.66" | pa=52.1° sep=32.56" | pa=16.3° sep=67.47" | pa=221.3° sep=81.39" | pa=220.9° sep=82.54" | ||||
G | pa=300.4° sep=51.92" | pa=302.7° sep=40.14" | pa=328.6° sep=77.84" | pa=242.3° sep=127.87" | pa=241.9° sep=128.71" | pa=271.6° sep=59.50" | |||
H | pa=22.2° sep=23.31" | pa=49.4° sep=26.07" | pa=11.9° sep=63.10" | pa=222.9° sep=87.60" | pa=222.5° sep=88.73" | pa=243.0° sep=6.64" | pa=95.0° sep=53.77" | ||
I | pa=124.9° sep=23.10" | pa=120.8° sep=34.85" | pa=40.7° sep=35.53" | pa=206.6° sep=110.65" | pa=206.4° sep=111.92" | pa=173.6° sep=38.06" | pa=121.8° sep=74.97" | pa=163.8° sep=36.26" | |
J | pa=299.6° sep=19.16" | pa=310.7° sep=7.46" | pa=346.0° sep=51.16" | pa=228.1° sep=114.26" | pa=227.8° sep=115.33" | pa=244.3° sep=34.82" | pa=120.9° sep=32.77" | pa=244.6° sep=28.18" | pa=302.5° sep=42.21" |
Coord arcsec 2000 | 222910.25+582454.7 | Mag | 4.21 | Spectral class | F5Iab (yellow-white) | PmRA | 15.00 | ||||
PmDE | 3.0 | SAO | 34508 | HIP | 110991 | Tycho2 | 3995-01479-1 | ||||
HD | 213306 | HR | 8571 | GC | 31421 | BD | BD+57 2548 | ||||
Bayer | Delta Cephei | Bayer name | Del Cep | Flamsteed | 27 Cephei | Flamsteed name | 27 Cep | ||||
FK5 | 847 |
Tycho2 | 3995-01479-1 | Pflag | RAmdeg | 337.29276758 | DEmdeg | 58.41520360 | |||||
PmRA | 15.2 | PmDE | 4.7 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 0.7 | E pmDE | 0.9 | EpRAm | 1991.23 | EpDEm | 1991.32 | ||||
Num | 17 | Q RAmdeg | 0.7 | Q DEmdeg | 1.0 | Q pmRA | 0.6 | ||||
Q pmDE | 0.9 | BTmag | 5.097 | E BTmag | 0.014 | VTmag | 4.207 | ||||
E VTmag | 0.009 | Prox | 408 | TYC | T | HIP | 110991 | ||||
CCDM | RAdeg | 337.29269944 | DEdeg | 58.41519250 | EpRA 1990 | 1.56 | |||||
EpDE 1990 | 1.52 | E RAdeg | 3.3 | E DEdeg | 3.4 | Posflg | |||||
Corr | 0.2 |
SAO | 34508 | DelFlag | RA1950 | PmRA1950 | 0.0015 | ||||||
DE1950 | PmDE1950 | 0.005 | Vmag | 4 | SpType | +++ | |||||
Double code | Source | 74 | CatNum | 847 | DM | BD+57 2548 | |||||
DMcomp | BDsup | HD | 213306 | M HD | 0 | ||||||
GC | 31421 | RA1950rad | 5.87874371 | DE1950rad | 1.01506294 | PmRA2000 | 0.0018 | ||||
PmDE2000 | 0 |
Catalog | H | HIP | 110991 | Proxy | RAhms | 22 29 10.25 | |||||
DEdms | +58 24 54.7 | Vmag | 4.07 | VarFlag | 3 | R Vmag | T | ||||
RAdeg | 337.293 | DEdeg | 58.4152 | AstroRef | Plx | 3.32 | |||||
CCDM | 22292+5825 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 213306 | BD | BD+57 2548 | ||||||
CD | CP | Dm number | +57 2548 | VIred | 0.82 | ||||||
SpType | G2Ibvar | R SpType | Coord arcsec 2000 | 222910.25+582454.7 |
HIP | 110991 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.8868681523 | DErad | 1.0195373941 | Plx | 3.77 | PmRA | 15.35 | ||||
PmDE | 3.52 | E RArad | 0.16 | E DErad | 0.12 | E Plx | 0.16 | ||||
E pmRA | 0.22 | E pmDE | 0.18 | Hpmag | 4.2767 | E Hpmag | 0.0402 | ||||
SHp | 0.252 | VA | 1 | BV | 0.778 | E BV | 0.046 | ||||
VI | 0.81 |
Ccdm | 22292+5825 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -1.74 | DDEs | -5.4 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | Sp | G0 | PmNote | * | |||||
PmRA | 12 | PmDE | 5 | Dm number | +57 2548 | Cat1 | BD | ||||
Name2 | +58 1460 | Cat2 | AGK2/3 | HD | 213306 | M HD | |||||
ADS BDS | A15987 | M ADS BDS | N | N IDS | IDS | 22254N5754A | |||||
HIC | 110991 |
Coord arcsec 2000 | 222908.85+582459.3 | Mag | 13 | PmRA | -1.00 | PmDE | -1.0 | ||||
Calc delta mag | 8.79 | Calc coord | yes |
Ccdm | 22292+5825 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | BU 702 | DRAs | DDEs | |||||||
R dRAs | Year | 1934 | Theta | 284 | Rho | 20.4 | |||||
Obs | 5 | Vmag | 13.0 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A15987 | M ADS BDS | N | N IDS | IDS | 22254N5754B | |||||
HIC |
Coord arcsec 2000 | 222909.71+582414.5 | Mag | 6.11 | Spectral class | B7 (blue-white) | PmRA | 14.00 | ||||
PmDE | 4.0 | SAO | 34506 | HIP | 110988 | Tycho2 | 3995-01480-1 | ||||
HD | 213307 | GC | 31419 | BD | BD+57 2547 | Flamsteed | 27 Cephei | ||||
Flamsteed name | 27 Cep | Calc delta mag | 1.9 | Calc coord | yes |
Tycho2 | 3995-01480-1 | Pflag | RAmdeg | 337.28850170 | DEmdeg | 58.40410561 | |||||
PmRA | 16.9 | PmDE | 4.2 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 1.1 | E pmDE | 1.4 | EpRAm | 1991.48 | EpDEm | 1991.43 | ||||
Num | 9 | Q RAmdeg | 1.2 | Q DEmdeg | 0.8 | Q pmRA | 1.4 | ||||
Q pmDE | 0.7 | BTmag | 6.177 | E BTmag | 0.014 | VTmag | 6.114 | ||||
E VTmag | 0.010 | Prox | 408 | TYC | T | HIP | 110988 | ||||
CCDM | RAdeg | 337.28842722 | DEdeg | 58.40409556 | EpRA 1990 | 1.66 | |||||
EpDE 1990 | 1.55 | E RAdeg | 3.5 | E DEdeg | 3.9 | Posflg | |||||
Corr | 0.1 |
SAO | 34506 | DelFlag | RA1950 | PmRA1950 | 0.0014 | ||||||
DE1950 | PmDE1950 | 0.01 | Vmag | 7.5 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 31419 | DM | BD+57 2547 | |||||
DMcomp | BDsup | HD | 213307 | M HD | 0 | ||||||
GC | 31419 | RA1950rad | 5.87866646 | DE1950rad | 1.01487096 | PmRA2000 | 0.0017 | ||||
PmDE2000 | 0.005 |
Catalog | H | HIP | 110988 | Proxy | RAhms | 22 29 09.23 | |||||
DEdms | +58 24 14.7 | Vmag | 6.31 | VarFlag | R Vmag | G | |||||
RAdeg | 337.288 | DEdeg | 58.4041 | AstroRef | Plx | 3.43 | |||||
CCDM | 22292+5825 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 213307 | BD | BD+57 2547 | ||||||
CD | CP | Dm number | +57 2547 | VIred | -0.01 | ||||||
SpType | A0 | R SpType | Coord arcsec 2000 | 222909.23+582414.7 |
HIP | 110988 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.8867941432 | DErad | 1.019343642 | Plx | 3.69 | PmRA | 16.19 | ||||
PmDE | 4.28 | E RArad | 0.41 | E DErad | 0.36 | E Plx | 0.46 | ||||
E pmRA | 0.59 | E pmDE | 0.5 | Hpmag | 6.3014 | E Hpmag | 0.0008 | ||||
SHp | 0.01 | VA | 0 | BV | -0.033 | E BV | 0.006 | ||||
VI | -0.01 |
Ccdm | 22292+5825 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF4058 | DRAs | -2.74 | DDEs | -44.7 | |||||
R dRAs | 10 | Year | 1835 | Theta | 191 | Rho | 41.0 | ||||
Obs | 24 | Vmag | 7.5 | Sp | A0 | PmNote | * | ||||
PmRA | 15 | PmDE | 19 | Dm number | +57 2547 | Cat1 | BD | ||||
Name2 | +58 1459 | Cat2 | AGK2/3 | HD | 213307 | M HD | |||||
ADS BDS | A15987 | M ADS BDS | N IDS | IDS | 22254N5754C | ||||||
HIC | 110988 |
Coord arcsec 2000 | 222918.97+582620.4 | Coord calc | 222918.97+582620.4 | Mag | 13.9 | PmRA | 24.00 | ||||
PmDE | -4.0 | Calc delta mag | 9.69 |
Coord arcsec 2000 | 222919.01+582621.7 | Mag | 14 | Calc delta mag | 9.79 | Calc coord | yes |
Coord arcsec 2000 | 222912.12+582519.3 | Mag | 13.9 | PmRA | 6.00 | PmDE | 7.0 | ||||
Calc delta mag | 9.69 | Calc coord | yes |
Coord arcsec 2000 | 222904.55+582521.0 | Mag | 13.89 | PmRA | -10.00 | PmDE | -5.0 | ||||
Calc delta mag | 9.68 | Calc coord | yes |
Coord arcsec 2000 | 222911.37+582516.3 | Mag | 14.9 | Calc delta mag | 10.69 | Calc coord | yes |
Coord arcsec 2000 | 222912.66+582441.5 | Mag | 15.2 | PmRA | 7.00 | PmDE | -11.0 | ||||
Calc delta mag | 10.99 | Calc coord | yes |
Coord arcsec 2000 | 222908.13+582504.2 | Mag | 15.2 | Calc delta mag | 10.99 | Calc coord | yes |