Coord 2000 | 02507+5554 | Discov num | WAL 19 | Comp | AF | Coord arcsec 2000 | 02 50 41.81 +55 53 43.8 | ||||
Date first | 1904 | Date last | 2013 | Obs | 7 | ||||||
Pa first | 29 | Pa last | 24.8 | P.A. Now (θ) | 24.8° | ||||||
Sep first | 58.0 | Sep last | 57.721 | Sep. Now (ρ) | 57.721" | ||||||
Mag pri | 3.76 | Mag sec | 11.44 | delta mag (ΔM) | 7.68 | Spectral class | M3Ib-IIa (red) | ||||
Pri motion ra | +016 | Sec motion ra | +000 | ||||||||
Pri motion dec | -014 | Sec motion dec | -004 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Miram | 23655 | 02 50 42 +55 53 44 | STF 307 AB | 2018 | 58 | 301 | 28.7 | 3.76 | 8.50 | 4.74 | ||
Show | 23655 | 02 50 42 +55 53 44 | STF 307 AC | 2014 | 14 | 269 | 64.0 | 3.76 | 11.61 | 7.85 | |||
Show | 23655 | 02 50 42 +55 53 44 | SHJ 34 AE | 2012 | 8 | 297 | 242.9 | 3.76 | 9.24 | 5.48 | |||
Show | 23655 | 02 50 42 +55 53 44 | WAL 19 AF | 2013 | 7 | 25 | 57.7 | 3.76 | 11.44 | 7.68 | <=== | ||
Show | 02 50 34 +55 53 44 | WRD 1 CD | 2015 | 14 | 116 | 5.2 | 11.61 | 12.70 | 1.09 | ||||
Show | 02 50 34 +55 53 44 | FYM 161 CG | 2015 | 6 | 229 | 15.8 | 11.61 | 14.00 | 2.39 |
Common name | Miram | Constellation | Perseus | SAO | 23655 | HIP | 13268 | ||||
Tycho2 | 3704-01332-1 | Gaia DR2 | 454491381980370304 | HD | 17506 | HR | 834 | ||||
GC | 3390 | ADS | 2157 | BD | BD+55 714 | Bayer | Eta Persei | ||||
Bayer name | Eta Per | Flamsteed | 15 Persei | Flamsteed name | 15 Per | FK5 | 99 | ||||
Distance | 269.54 | Distance ly | 879.24 | Bayer greek | η Per |
discov_num | notes | refcode |
STF 307 | eta Per = 15 Per = Miram. A is a spectroscopic binary. B is BD+55@712. | |
Mk III Limb-darkened diameter 5.381 +/- 0.055 mas. | MkT2003 |
refcode | metd | author | reference |
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 |
idgroup | discov | author |
1 | FYM | Fay, M. |
28 | SHJ | South, J. & Herschel, J. |
45 | STF | Struve, F.G.W. |
78 | WAL | Wallenquist, A. |
98 | WRD | Ward, I.W. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
02507+5554 | WAL 19 | AF | 2007 | 2 | 25 | 57.5 | 3.76 | 11.44 | M3Ib-IIa | D | 025041.79+555343.9 |
02507+5554 | WAL 19 | AF | 2012 | 6 | 24 | 57.4 | 3.76 | 11.44 | M3Ib-IIa | N D | 025041.79+555343.9 |
02507+5554 | WAL 19 | AF | 2013 | 7 | 25 | 57.7 | 3.76 | 11.44 | M3Ib-IIa | N | 025041.81+555343.8 |
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 | |
B | pa=317.0° sep=20.22" | |||||
C | pa=270.3° sep=68.13" | pa=255.1° sep=56.23" | ||||
D | pa=268.3° sep=65.51" | pa=252.1° sep=54.33" | pa=130.4° sep=3.47" | |||
E | pa=312.8° sep=164.63" | pa=312.2° sep=144.48" | pa=334.7° sep=123.34" | pa=334.0° sep=126.51" | ||
F | pa=14.5° sep=54.13" | pa=36.0° sep=46.52" | pa=57.5° sep=96.88" | pa=55.5° sep=95.92" | pa=113.8° sep=146.95" | |
G | pa=262.4° sep=75.53" | pa=247.9° sep=65.91" | pa=213.1° sep=12.33" | pa=229.2° sep=12.38" | pa=159.3° sep=130.22" | pa=234.8° sep=108.24" |
Common name | Miram | Coord arcsec 2000 | 025041.81+555343.8 | Mag | 3.76 | Spectral class | M3I (red) | ||||
PmRA | 16.00 | PmDE | -14.0 | SAO | 23655 | HIP | 13268 | ||||
Tycho2 | 3704-01332-1 | HD | 17506 | HR | 834 | GC | 3390 | ||||
BD | BD+55 714 | Bayer | Eta Persei | Bayer name | Eta Per | Flamsteed | 15 Persei | ||||
Flamsteed name | 15 Per | FK5 | 99 |
Tycho2 | 3704-01332-1 | Pflag | RAmdeg | 42.67421136 | DEmdeg | 55.89549320 | |||||
PmRA | 17.4 | PmDE | -14.8 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 0.6 | E pmDE | 0.8 | EpRAm | 1990.86 | EpDEm | 1991.16 | ||||
Num | 18 | Q RAmdeg | 1.0 | Q DEmdeg | 1.2 | Q pmRA | 1.0 | ||||
Q pmDE | 1.2 | BTmag | 5.939 | E BTmag | 0.014 | VTmag | 3.942 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 13268 | ||||
CCDM | RAdeg | 42.67413972 | DEdeg | 55.89552694 | EpRA 1990 | 1.66 | |||||
EpDE 1990 | 1.70 | E RAdeg | 3.5 | E DEdeg | 3.5 | Posflg | |||||
Corr | -0.1 |
SAO | 23655 | DelFlag | RA1950 | PmRA1950 | 0.0023 | ||||||
DE1950 | PmDE1950 | -0.011 | Vmag | 4 | SpType | K0 | |||||
Double code | Source | 74 | CatNum | 99 | DM | BD+55 714 | |||||
DMcomp | BDsup | HD | 17506 | M HD | 0 | ||||||
GC | 3390 | RA1950rad | 0.72881567 | DE1950rad | 0.97196625 | PmRA2000 | 0.0022 | ||||
PmDE2000 | -0.015 |
Catalog | H | HIP | 13268 | Proxy | RAhms | 02 50 41.79 | |||||
DEdms | +55 53 43.9 | Vmag | 3.77 | VarFlag | 1 | R Vmag | G | ||||
RAdeg | 42.6741 | DEdeg | 55.8955 | AstroRef | Plx | 2.45 | |||||
CCDM | 02506+5553 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 17506 | BD | BD+55 714 | ||||||
CD | CP | Dm number | +55 714 | VIred | 1.64 | ||||||
SpType | K3Ib comp SB | R SpType | Coord arcsec 2000 | 025041.79+555343.9 |
HIP | 13268 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.7448041834 | DErad | 0.9755610262 | Plx | 3.71 | PmRA | 16.23 | ||||
PmDE | -13.54 | E RArad | 0.14 | E DErad | 0.14 | E Plx | 0.21 | ||||
E pmRA | 0.22 | E pmDE | 0.19 | Hpmag | 3.896 | E Hpmag | 0.0011 | ||||
SHp | 0.008 | VA | 2 | BV | 1.69 | E BV | 0.007 | ||||
VI | 1.64 |
Coord arcsec 2000 | 025040.17+555358.6 | Mag | 8.5 | Spectral class | B9V (blue-white) | PmRA | 16.00 | ||||
PmDE | -14.0 | Calc delta mag | 4.74 | Calc coord | yes |
Coord arcsec 2000 | 025033.71+555344.1 | Coord calc | 025033.71+555344.1 | Mag | 11.61 | Spectral class | OB (blue) | ||||
PmRA | 1.00 | PmDE | -2.0 | Calc delta mag | 7.85 |
Coord arcsec 2000 | 025034.02+555341.9 | Mag | 12.7 | PmRA | 1.00 | PmDE | -1.0 | ||||
Calc delta mag | 8.94 | Calc coord | yes |
Coord arcsec 2000 | 025027.43+555535.6 | Mag | 9.24 | Spectral class | IIa | PmRA | -4.00 | ||||
PmDE | 2.0 | Calc delta mag | 5.48 | Calc coord | yes |
Coord arcsec 2000 | 025043.42+555436.2 | Mag | 11.44 | Spectral class | IIa | PmRA | 0.00 | ||||
PmDE | -4.0 | Calc delta mag | 7.68 | Calc coord | yes |
Coord arcsec 2000 | 025032.91+555333.8 | Mag | 14 | PmRA | 0.00 | PmDE | -4.0 | ||||
Calc delta mag | 10.24 | Calc coord | yes |