Coord 2000 | 03082+4057 | Discov num | JNN 3 | Comp | AH | Coord arcsec 2000 | 03 08 10.13 +40 57 20.3 | ||||
Date first | 2008 | Date last | 2009 | Obs | 2 | ||||||
Pa first | 206 | Pa last | 206.3 | P.A. Now (θ) | 206.3° | ||||||
Sep first | 5.1 | Sep last | 5.08 | Sep. Now (ρ) | 5.08" | ||||||
Mag pri | 2.11 | Mag sec | 17.10 | delta mag (ΔM) | 14.99 | Spectral class | B8V (blue-white) | ||||
Pri motion ra | +002 | Sec motion ra | |||||||||
Pri motion dec | -001 | Sec motion dec | |||||||||
Notes | N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 38592 | 03 08 10 +40 57 20 | CSI 1 Aa1,2 | 2010 | 65 | 43 | 0.0 | 2.12 | Y | ||||
Show | 38592 | 03 08 10 +40 57 20 | LAB 2 Aa,Ab | 2010 | 119 | 304 | 0.1 | 2.12 | 4.60 | 2.48 | Y | ||
Show | 38592 | 03 08 10 +40 57 20 | BU 526 AB | 2018 | 12 | 156 | 59.4 | 2.11 | 12.70 | 10.59 | |||
Show | Algol | 38592 | 03 08 10 +40 57 20 | BU 526 AC | 2018 | 12 | 147 | 68.6 | 2.11 | 12.50 | 10.39 | ||
Show | 38592 | 03 08 10 +40 57 20 | BU 526 AD | 2018 | 15 | 193 | 82.6 | 2.11 | 11.47 | 9.36 | |||
Show | 38592 | 03 08 10 +40 57 20 | BU 526 AE | 2009 | 3 | 186 | 85.5 | 2.11 | 12.50 | 10.39 | |||
Show | 38592 | 03 08 10 +40 57 20 | DAL 46 AF | 2009 | 3 | 111 | 93.2 | 2.11 | 13.70 | 11.59 | |||
Show | 38592 | 03 08 10 +40 57 20 | JNN 3 AH | 2009 | 2 | 206 | 5.1 | 2.11 | 17.10 | 14.99 | <=== | ||
Show | 03 08 12 +40 56 27 | BU 526 BC | 2018 | 12 | 104 | 13.7 | 12.70 | 12.50 | 0.20 | ||||
Show | 38592 | 03 08 08 +40 56 01 | BU 526 DE | 2018 | 10 | 121 | 10.9 | 10.50 | 12.50 | 2.00 | |||
Show | 03 08 18 +40 56 46 | DAL 46 FG | 2015 | 3 | 284 | 6.2 | 13.70 | 14.70 | 1.00 |
Common name | Algol | Constellation | Perseus | SAO | 38592 | HIP | 14576 | ||||
Tycho2 | 2851-02168-1 | Gaia DR2 | 239863001382455424 | HD | 19356 | HR | 936 | ||||
GC | 3733 | ADS | 2362 | BD | BD+40 673 | Bayer | Beta Persei | ||||
Bayer name | Bet Per | Flamsteed | 26 Persei | Flamsteed name | 26 Per | FK5 | 111 | ||||
Distance | 27.57 | Distance ly | 89.93 | Bayer greek | β Per |
Other names | ALGHOUL, GORGONA, GORGONEA PRIMA, DEMON STAR |
Meaning | ogre, monster |
discov_num | notes | refcode |
LAB 2 | Aa,Ab: bet Per = 26 Per = Algol , prototype of the Algol-type binaries. | |
The eclipse phenomena, known since historical times (although the time | ||
of minimum brightness was first measured by Montanari on 8 Nov 1670) | ||
was first explained as an eclipsing binary by Goodericke as early as | ||
1782. According to R.G. Aitken, this was verified when it was noted as | A__1935f | |
the second spectroscopic binary based on photographic spectra | ||
obtained by Prof. H.C. Vogel at Potsdam in November, 1889. Belopolsky | ||
discovered a variation in the radial velocity with a period of order | ||
1.8 years, later resolved by Labeyrie and his speckle camera in 1973; | Lab1974 | |
the magnitude difference is about 2.5. | ||
The binary, a radio and X-ray source, is triple (and possibly | ||
quadruple, but the variation with the 32 yr period is more probably an | ||
apsidal rotation of the eclipsing pair). | ||
The spectroscopic data were discussed by Hill et al. (1970, 1971). | HlG1970 | |
ADS lists several distant, faint, and probably optical companions. | HlG1971 | |
Elements P, T, e, and omega for Labeyrie et al. (1974) orbit adopted | Lab1974 | |
from the spectroscopic orbit of Hill et al. (1971). | ||
Analysis of the spectroscopic/interferometric orbit is given by | ||
Bonneau (1979) | Bnu1979 | |
See Baize & Petit (1989) catalog of doubles with variable component. | Baz1989d | |
Hipparcos astrometric solution adopts some elements from the orbits of | HIP1997d | |
Pan et al. (1993) and | MkT1993a | |
Gatewood et al. (1995). | Gat1995 | |
Peterson et al. (2011) orbits of both the outer (LAB 2Aa,Ab) and | Ptn2011 | |
inner (CSI 1Aa1,Aa2) are based on VLBI measures combined with | ||
speckle and radial velocity data. Assuming masses of the primary and | ||
secondary of 3.70 and 0.79 Msun, respectively, they derive a mass for | ||
the tertiary of 1.51 +/- 0.02 Msun. | ||
BU 526 | AB: Additional notes may be found in Burnham (1894). | Bu_1894 |
refcode | metd | author | reference |
A__1935f | - | Aitken, R.G. | 1935QB821.A3....... |
A__1935f | The Binary Stars, 1935 | ||
Baz1989d | - | Baize, P. & Petit, M. | 1989A&AS...77..497B |
Baz1989d | A&AS 77, 497, 1989 | ||
Bnu1979 | orb - | Bonneau, D. | 1979A&A....80L..11B |
Bnu1979 | A&A 80, L11, 1979 | ||
Bu_1894 | Ma j | Burnham, S.W. | 1894PLicO...2....3B |
Bu_1894 | Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a) | 1893AN....131..329B | |
Gat1995 | - | Gatewood, G.D., de Jonge, J.K., & Heintz, W.D | 1995AJ....109..434G |
Gat1995 | AJ 109, 434, 1995 | ||
HIP1997d | orb - | Hipparcos | 1997yCat.1239....0E |
HIP1997d | Hipparcos Catalog, ESA SP-1200, 1997 | ||
HIP1997d | (DMSA/O Orbital Solutions) | ||
HlG1970 | - | Hill, G. & Hutchings, J.B. | 1970ApJ...162..265H |
HlG1970 | ApJ 162, 265, 1970 | ||
HlG1971 | - | Hill, G., Barnes, J.V., Hutchings, J.B., & Pearce, J.A. | 1971ApJ...168..443H |
HlG1971 | ApJ 168, 443, 1971 | ||
Lab1974 | S j | Labeyrie, A., Bonneau, D., Stachnik, R.V., & Gezari, D.Y. | 1974ApJ...194L.147L |
Lab1974 | +orb | ApJ 194, L147, 1974 | |
Lab1974 | (data from Hale 5m, KPNO 3.8m, 2.1m. Aperture listed as mean value of 3.6m unless | ||
Lab1974 | specifically given in paper) | ||
MkT1993a | Km j | Pan, X.-P., Shao, M., & Colavita, M.M. | 1993ApJ...413L.129P |
MkT1993a | +orb | ApJ 413, L129, 1993 | |
Ptn2011 | Kg - | Peterson, W.M., Mutel, R.L., Lestrade, J.-F., Gudel, M., & Goss, W.M. | 2011ApJ...737..104P |
Ptn2011 | +orb | ApJ 737, 104, 2011 |
idgroup | discov | author |
1 | BU | Burnham, S.W. (BU 1 - 81) |
179 | CSI | Csizmadia, Sz., Borkovits, T., Paragi, Zs., Abraham, P., Szabados, L., Mosoni, L., |
179 | CSI | Sturmann, L., Sturmann, J., et al. |
180 | DAL | Daley, J.A. |
230 | JNN | Janson, M., Brandner, W., Henning, T., & Zinnecker, H. |
231 | JNN | Janson, M., Brandner, W., Lenzen, R., Close, L., Nielsen, E., Hartung, M., |
231 | JNN | Henning, T., & Rouy, H. |
232 | JNN | Janson, M., Carson, J., Thalmann, C., McElwain, M.W., Goto, M., Crepp, J., |
232 | JNN | Wisniewski, J., Abe, L., et al. |
233 | JNN | Janson, M., Bonavita, M., Klahr, H., Lafreniere, D., Jayawardhana, R., |
233 | JNN | & Zinnecker, H. |
234 | JNN | Janson, M., Hormuth, F., Bergfors, C., Brandner, W., Hippler, S., Daemgen, S., |
234 | JNN | Kudryavtseva, N., Schmalzl, E., Schnupp, C., & Henning, T. |
235 | JNN | Janson, M., Jayawardhana, R., Girard, J.H., Lafreniere, D., Bonavita, M., |
235 | JNN | Gizis, J., & Brandeker, A. |
236 | JNN | Janson, M., Lafreniere, D., Jayawardhana, R., Bonavita, M., Girard, J.H., |
236 | JNN | Brandeker, A., & Gizis, J.E. |
237 | JNN | Janson, M., Brandt, T.D., Moro-Martin, A., Usuda, T., Thalmann, C., Carson, J.C., |
237 | JNN | Goto, M., Currie, T., McElwain, M.W., Itoh, Y., Fukagawa, M., Crepp, J., et al. |
238 | JNN | Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F., |
238 | JNN | Hippler, S., & Henning, T. |
239 | JNN | Janson, M., Bergfors, C., Brandner, W., Bonnefoy, M., Schlieder, J., Kohler, R., |
239 | JNN | Hormuth, F., Henning, T., & Hippler, S. |
241 | JNN | Janson, M., Durkan, S., Hippler, S., Dai, X., Brandner, W., Schlieder, J., |
241 | JNN | Bonnefoy, M., & Henning, T. Jnn201 |
242 | JNN | Calissendorff, P., Janson, M., Kohler, R., Durkan, S., Hippler, S., Dai, X., |
242 | JNN | Brandner, W., Schlieder, J., & Henning, T. |
243 | JNN | Janson, M., Durkan, S., Bonnefoy, M., Rodet, L., Kohler, R., Lacour, S., Brandner, |
243 | JNN | W., Henning, R. & Girard, J. |
246 | JNN | Calissendorff, P., Janson, M., Rodet, L., Bonnefoy, M., Brandner, W., Brown-Sevilla, |
246 | JNN | S., Chauvin, G., Delorme, P., Desidera, S., Durkan, S., Fontanive, C., Gratton, R., |
246 | JNN | Hagelbe3rg, J., Henning, T., Hippler, S., Lagrange, A.-M., Langlois, M., Lazzoni, C. |
246 | JNN | Maire, A.-L., Messina, S., Meyer, M., Moller-Nsson, O., Rabus, M., Schlieder, J., |
246 | JNN | Vigan, A., Wahhaj, Z., Wildi, F. & Zurlo, A. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
03082+4057 | JNN 3 | AH | 2009 | 2 | 206 | 5.1 | 1.95 | 17.10 | B8V | N UK | 030810.13+405720.3 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | Aa2 | Ab | B | C | D | E | F | G | |
Aa2 | pa=35.2° sep=0.00" | ||||||||
Ab | pa=312.0° sep=0.06" | pa=310.2° sep=0.06" | |||||||
B | pa=155.5° sep=58.56" | pa=155.5° sep=58.56" | pa=155.5° sep=58.61" | ||||||
C | pa=153.6° sep=64.01" | pa=153.6° sep=64.01" | pa=153.6° sep=64.06" | pa=133.8° sep=5.83" | |||||
D | pa=193.0° sep=81.81" | pa=193.0° sep=81.81" | pa=193.0° sep=81.84" | pa=238.3° sep=50.22" | pa=244.5° sep=51.98" | ||||
E | pa=184.5° sep=85.33" | pa=184.5° sep=85.33" | pa=184.4° sep=85.36" | pa=224.2° sep=44.31" | pa=231.7° sep=44.73" | pa=114.4° sep=12.99" | |||
F | pa=111.2° sep=93.55" | pa=111.2° sep=93.55" | pa=111.2° sep=93.61" | pa=72.8° sep=65.95" | pa=68.2° sep=63.33" | pa=66.5° sep=115.25" | pa=61.4° sep=106.97" | ||
G | pa=111.3° sep=88.79" | pa=111.3° sep=88.79" | pa=111.3° sep=88.84" | pa=70.2° sep=62.14" | pa=65.2° sep=59.78" | pa=64.9° sep=111.75" | pa=59.4° sep=103.79" | pa=288.5° sep=4.77" | |
H | pa=200.5° sep=4.86" | pa=200.5° sep=4.86" | pa=199.8° sep=4.88" | pa=332.0° sep=55.22" | pa=330.3° sep=60.79" | pa=12.6° sep=76.99" | pa=3.5° sep=80.66" | pa=288.2° sep=93.62" | pa=288.2° sep=88.85" |
Common name | Algol | Meaning | ogre, monster | Other names | ALGHOUL, GORGONA, GORGONEA PRIMA, DEMON STAR | Coord arcsec 2000 | 030810.13+405720.3 | ||||
Mag | 2.11 | Spectral class | B8V (blue-white) | PmRA | 2.00 | PmDE | -1.0 | ||||
SAO | 38592 | HIP | 14576 | Tycho2 | 2851-02168-1 | HD | 19356 | ||||
HR | 936 | GC | 3733 | ADS | 2362 | BD | BD+40 673 | ||||
Bayer | Beta Persei | Bayer name | Bet Per | Flamsteed | 26 Persei | Flamsteed name | 26 Per | ||||
FK5 | 111 |
SAO | 38592 | DelFlag | RA1950 | PmRA1950 | 0.0003 | ||||||
DE1950 | PmDE1950 | 0.002 | Vmag | 2.9 | SpType | B8 | |||||
Double code | Source | 74 | CatNum | 111 | DM | BD+40 673 | |||||
DMcomp | BDsup | HD | 19356 | M HD | 0 | ||||||
GC | 3733 | RA1950rad | 0.80680433 | DE1950rad | 0.711476 | PmRA2000 | 0.0003 | ||||
PmDE2000 | -0.001 |
Catalog | H | HIP | 14576 | Proxy | RAhms | 03 08 10.13 | |||||
DEdms | +40 57 20.3 | Vmag | 2.09 | VarFlag | 3 | R Vmag | H | ||||
RAdeg | 47.0422 | DEdeg | 40.9557 | AstroRef | + | Plx | 35.14 | ||||
CCDM | 03082+4057 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | O | Source | Qual | M HIP | |||||||
Theta | Rho | HD | 19356 | BD | BD+40 673 | ||||||
CD | CP | Dm number | +40 673 | VIred | 0.04 | ||||||
SpType | B8V | R SpType | Coord arcsec 2000 | 030810.13+405720.3 |
HIP | 14576 | Sn | 75 | So | 4 | Nc | 1 | ||||
RArad | 0.8210414333 | DErad | 0.7148109521 | Plx | 36.27 | PmRA | 2.99 | ||||
PmDE | -1.66 | E RArad | 1.21 | E DErad | 0.86 | E Plx | 1.4 | ||||
E pmRA | 1.42 | E pmDE | 1.22 | Hpmag | 2.0969 | E Hpmag | 0.002 | ||||
SHp | 0.014 | VA | 1 | BV | -0.003 | E BV | 0.004 | ||||
VI | 0.02 |
Ccdm | 03082+4057 | RComp | Comp | A | Note1 | ||||||
Note2 | @ | Discov num | DRAs | -1.88 | DDEs | 20.5 | |||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 5 | Vmag | Sp | B8 | PmNote | * | |||||
PmRA | 4 | PmDE | 2 | Dm number | +40 673 | Cat1 | BD | ||||
Name2 | +40 360 | Cat2 | AGK2/3 | HD | 19356 | M HD | |||||
ADS BDS | A 2362 | M ADS BDS | N IDS | IDS | 03017N4034A | ||||||
HIC | 14576 |
Coord arcsec 2000 | 030810.13+405720.3 | Calc delta mag | 2.12 | Calc coord | yes |
Coord arcsec 2000 | 030810.13+405720.3 | Mag | 4.6 | Calc delta mag | 2.48 | Calc coord | yes |
Coord arcsec 2000 | 030812.27+405627.0 | Coord calc | 030812.27+405627.0 | Mag | 12.7 | PmRA | -4.00 | ||||
PmDE | -2.0 | Calc delta mag | 10.58 |
Ccdm | 03082+4057 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | BU 526 | DRAs | DDEs | |||||||
R dRAs | Year | 1920 | Theta | 156 | Rho | 57.5 | |||||
Obs | 6 | Vmag | 12.7 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2362 | M ADS BDS | N | N IDS | IDS | 03017N4034B | |||||
HIC |
Coord arcsec 2000 | 030812.64+405623.0 | Mag | 12.5 | PmRA | -3.00 | PmDE | -8.0 | ||||
Calc delta mag | 10.38 | Calc coord | yes |
Ccdm | 03082+4057 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | BU 526 | DRAs | DDEs | |||||||
R dRAs | Year | 1924 | Theta | 145 | Rho | 67.2 | |||||
Obs | 7 | Vmag | 12.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2362 | M ADS BDS | N IDS | IDS | 03017N4034C | ||||||
HIC |
Coord arcsec 2000 | 030808.50+405600.6 | Coord calc | 030808.50+405600.6 | Mag | 10.5 | Spectral class | B8V (blue-white) | ||||
PmRA | 0.00 | PmDE | -3.0 | Calc delta mag | 8.38 |
Ccdm | 03082+4057 | RComp | Comp | D | Note1 | ||||||
Note2 | Discov num | BU 526 | DRAs | DDEs | |||||||
R dRAs | Year | 1879 | Theta | 192 | Rho | 81.9 | |||||
Obs | 9 | Vmag | 10.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2362 | M ADS BDS | N IDS | IDS | 03017N4034D | ||||||
HIC |
Coord arcsec 2000 | 030809.54+405555.2 | Mag | 12.5 | Calc delta mag | 10.38 | Calc coord | yes |
Ccdm | 03082+4057 | RComp | D | Comp | E | Note1 | |||||
Note2 | Discov num | BU 526 | DRAs | DDEs | |||||||
R dRAs | Year | 1922 | Theta | 118 | Rho | 11.4 | |||||
Obs | 6 | Vmag | 12.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2362 | M ADS BDS | N IDS | IDS | 03017N4034E | ||||||
HIC |
Coord arcsec 2000 | 030817.83+405646.5 | Coord calc | 030817.83+405646.5 | Mag | 13.7 | PmRA | -2.00 | ||||
PmDE | -1.0 | Calc delta mag | 11.58 |
Coord arcsec 2000 | 030817.43+405648.0 | Mag | 14.7 | Calc delta mag | 12.58 | Calc coord | yes |
Coord arcsec 2000 | 030809.98+405715.7 | Mag | 17.1 | Calc delta mag | 14.98 | Calc coord | yes |