SUSPECTED M87
Equatorial coordinates
α = 187.684833 | 12 30 44.360000
δ = 12.383897 | +12 23 02.030000 |
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| Constellation |
Virgo |
| Symbiotic IR Type |
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| Spectral Type |
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| Magnitude range (V) |
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| Outbursts |
Yes |
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Identifiers
| [SDL2016] Nova 36 |
GSC – |
TYC – |
WRAY – |
| SIMBAD [SDL2016] Nova 36 |
HIP – |
SAO – |
Hen – |
| BD – |
IRAS – |
GAIA DR2 – |
ESO – |
| HD – |
2MASS – |
WISE – |
AAVSO – |
Position
| Right ascension (°) |
187.684833 |
Parallax (mas) |
– |
Reddening E(B-V) (mag) |
0.020 ± 0.001 |
| Declination (°) |
12.383897 |
Distance (kpc) |
16400 ± 500 |
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| Galactic longitude (°) |
283.712331 |
Proper motion in α (mas/yr) |
– |
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| Galactic latitude (°) |
74.478091 |
Proper motion in δ (mas/yr) |
– |
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Observations
| U (mag) |
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X-Ray |
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Flickering |
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| B (mag) |
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X-Ray type |
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Outbursts |
Yes |
| V (mag) |
25.91 |
IUE |
No |
Type |
SyN? |
| R (mag) |
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IRAS flux at 12 μm (Jy) |
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IPmax (eV) |
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| I (mag) |
25.17 |
IRAS flux at 25 μm (Jy) |
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OVI lines |
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| G (mag) |
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IRAS flux at 60 μm (Jy) |
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| J (mag) |
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IRAS flux at 100 μm (Jy) |
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| H (mag) |
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WISE W1 (mag) |
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| K (mag) |
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WISE W2 (mag) |
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| L (mag) |
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WISE W3 (mag) |
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WISE W4 (mag) |
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Radio |
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Radio flux (mJy) |
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Orbit
| Orbital period (days) |
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γ velocity (km/h) |
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Size of giant’s orbit (AU) |
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| Eccentricity |
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RV of giant (km/h) |
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Separation (AU) |
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| Inclination (°) |
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Inferior conj. of giant (JD) |
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Mass function |
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| Ephemeris type |
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Mass ratio |
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| Ephemeris T0 (JD) |
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Cool component
| Spectral type |
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Mass (M⊙) |
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Pulsation |
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| Eff. temperature (K) |
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Radius (R⊙) |
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Type |
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| IR type |
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Luminosity (L⊙) |
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Pulsation period (days) |
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| Metallicity [Fe/H] |
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Ephemeris type |
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Ephemeris T0 (JD) |
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Hot component
| Type/Spectra |
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Mass (M⊙) |
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Spin period (min) |
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| Eff. temperature (K) |
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Radius (R⊙) |
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Accretion disk |
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| Lower limit (K) |
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Luminosity (L⊙) |
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| Upper limit (K) |
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Links
SIMBAD CDS Portal
Notes
Identified as an optical nova by Shara et al. (2016). They concluded that the object could be a symbiotic or very slow nova.
References
- Shara, M. M., Doyle, T. F., Lauer, T. R., et al., 2016, ApJS, 227, 1, 2016ApJS..227….1S
Last updated: May 12, 2019 @ 8:45 pm
