Basic Data
Star Name | Confirmed | Galaxy | α (°) | δ (°) | B (mag) | V (mag) | R (mag) | I (mag) |
---|---|---|---|---|---|---|---|---|
Draco C-1 | ✓ | Draco Dwarf | 259.990238 | 57.834856 | 18.43 | 17.00 | 16.11 | 15.67 |
XMMU J171919.8+575943 | ✓ | Draco Dwarf | 259.833310 | 57.995308 | 19.04 | 18.41 | 17.73 | 17.15 |
XMMU J172005.6+575759 | ✓ | Draco Dwarf | 260.023549 | 57.966232 | 20.20 | 19.53 | 19.11 | 18.59 |
XMMU J172013.3+575051 | ✓ | Draco Dwarf | 260.055778 | 57.847688 | 19.13 | 18.18 | 16.94 |
Identifiers
Star Name | Confirmed | Galaxy | SIMBAD | Gaia DR2 | 2MASS | WISE | IRAS | AAVSO |
---|---|---|---|---|---|---|---|---|
Draco C-1 | ✓ | Draco Dwarf | [ALS82] C1 | 1433154243632773248 | J17195764+5750054 | J171957.65+575005.5 | 000-BJT-701 | |
XMMU J171919.8+575943 | ✓ | Draco Dwarf | SDSS J171919.99+575943.1 | 1433205607145719936 | J17191999+5759430 | J171919.92+575943.0 | ||
XMMU J172005.6+575759 | ✓ | Draco Dwarf | SDSS J172005.64+575758.4 | 1433203270683657344 | ||||
XMMU J172013.3+575051 | ✓ | Draco Dwarf | [BS61] 522 | 1433154621589898880 | J17201332+5750514 | J172013.37+575051.6 |
Observations
Star Name | Confirmed | Galaxy | U (mag) | B (mag) | V (mag) | R (mag) | I (mag) | G (mag) | J (mag) | H (mag) | K (mag) | L (mag) | X-ray | Type | IUE | IRAS F12 (Jy) | IRAS F25 (Jy) | IRAS F60 (Jy) | IRAS F100 (Jy) | WISE W1 (mag) | WISE W2 (mag) | WISE W3 (mag) | WISE W4 (mag) | Radio | Radio flux (mJy) | Flickering | Outbursts | Type | IPmax (eV) | OVI lines |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Draco C-1 | ✓ | Draco Dwarf | 18.43 | 17.00 | 16.11 | 15.67 | 16.63 | 14.38 | 13.71 | 13.46 | Yes | α | Yes | 13.25 | 13.26 | 12.69 | 9.68 | 3.6 cm | <0.1 | No | 77.5 | No | ||||||||
XMMU J171919.8+575943 | ✓ | Draco Dwarf | 19.04 | 18.41 | 17.73 | 17.15 | 18.07 | 16.54 | 15.74 | 15.78 | Yes | δ | No | 15.24 | 15.07 | 12.24 | 9.14 | No | ||||||||||||
XMMU J172005.6+575759 | ✓ | Draco Dwarf | 20.20 | 19.53 | 19.11 | 18.59 | 19.46 | Yes | β | No | No | |||||||||||||||||||
XMMU J172013.3+575051 | ✓ | Draco Dwarf | 19.13 | 18.18 | 16.94 | 17.79 | 16.31 | 15.68 | 15.42 | Yes | β | No | 15.33 | 15.47 | 12.50 | 9.09 | No |
Position
Star Name | Confirmed | Galaxy | α (°) | σ(α) (°) | αobs (°) | δ (°) | σ(δ) (°) | δobs (°) | l (°) | b (°) | PM α (mas/yr) | σ(PM α) (mas/yr) | PM δ (mas/yr) | σ(PM δ) (mas/yr) | d (kpc) | σ(d) (kpc) | E(B-V) (mag | σ(E(B-V)) (mag) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Draco C-1 | ✓ | Draco Dwarf | 259.990238 | 0.045145 | 17 19 57.657086 | 57.834856 | 0.046994 | +57 50 05.482634 | 86.272566 | 34.759213 | 80.00 | 10.00 | 0.023 | 0.002 | ||||
XMMU J171919.8+575943 | ✓ | Draco Dwarf | 259.833310 | 0.105300 | 17 19 19.994531 | 57.995308 | 0.119800 | +57 59 43.110167 | 86.473968 | 34.832284 | 80.00 | 10.00 | 0.024 | 0.002 | ||||
XMMU J172005.6+575759 | ✓ | Draco Dwarf | 260.023549 | 0.286100 | 17 20 05.651690 | 57.966232 | 0.300700 | +57 57 58.433849 | 86.430826 | 34.733472 | 80.00 | 10.00 | 0.025 | 0.001 | ||||
XMMU J172013.3+575051 | ✓ | Draco Dwarf | 260.055778 | 0.084400 | 17 20 13.386819 | 57.847688 | 0.080900 | +57 50 51.676814 | 86.285585 | 34.723616 | 80.00 | 10.00 | 0.023 | 0.001 |
Orbit
Star Name | Confirmed | Galaxy | P (days) | σ(P) (days) | e | σ(e) | i (°) | σ(i) (°) | Eclipse | Eph type | Eph T0 (JD) | σ(Eph T0) (days) | RV (γ) (km/h) | σ(RV) (km/h) | Kg (km/h) | σ(Kg) (km/h) | T0 (JD) | ag sini (AU) | dc (AU) | f(M) | q |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Draco C-1 | ✓ | Draco Dwarf | 300 | ||||||||||||||||||
XMMU J171919.8+575943 | ✓ | Draco Dwarf | -307 | ||||||||||||||||||
XMMU J172005.6+575759 | ✓ | Draco Dwarf | -294 | ||||||||||||||||||
XMMU J172013.3+575051 | ✓ | Draco Dwarf | -283 |
Cool Component
Star Name | Confirmed | Galaxy | Spectral type | TeffG (K) | IR type | Fe/H | MG (M⊙) | RG (R⊙) | LG (L⊙) | Pulsation | Type | Ppul (days) | σ(Ppul) (days) | Ephpul type | Ephpul T0 (JD) | σ(Ephpul T0) (days) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Draco C-1 | ✓ | Draco Dwarf | C1.2 | 3800-3866 | S | 1.5 | 110 | 2200 | ||||||||
XMMU J171919.8+575943 | ✓ | Draco Dwarf | 4660 | S | -2.12 | |||||||||||
XMMU J172005.6+575759 | ✓ | Draco Dwarf | 4973 | S | -2.28 | |||||||||||
XMMU J172013.3+575051 | ✓ | Draco Dwarf | S |
Hot Component
Star Name | Confirmed | Galaxy | Type/Spectral type | TeffH (K) | Teffh_lower (K) | Teffh_upp (K) | MH (M⊙) | RH (R⊙) | LH (L⊙) | Pspin (min) | Accretion disk |
---|---|---|---|---|---|---|---|---|---|---|---|
Draco C-1 | ✓ | Draco Dwarf | WD | 180000 | 0.56 | 0.21-0.30 | 7500-31000 | ||||
XMMU J171919.8+575943 | ✓ | Draco Dwarf | |||||||||
XMMU J172005.6+575759 | ✓ | Draco Dwarf | |||||||||
XMMU J172013.3+575051 | ✓ | Draco Dwarf |