Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 185151945 (SMSS J172718.82-201954.8)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8284 |
|---|
| Dec (deg) | -20.3319 |
|---|
| Galactic lon. (deg) | 5.0695 |
|---|
| Galactic lat. (deg) | 8.1091 |
|---|
| E(B-V) (SFD98) (mag) | 0.818 |
|---|
| E(B-V) (GNILC) (mag) | 0.581 ± 0.030 |
|---|
| Nearest DR4 source |
185151947 (4.6 arcs away) |
| 2nd-nearest DR4 source |
185151942 (7.2 arcs away) |
| 3rd-nearest DR4 source |
185151944 (7.8 arcs away) |
| Times observed | 17 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.496 ± 0.039 |
18.699 ± 0.042 |
18.096 ± 0.018 |
17.825 ± 0.029 |
| Petrosian mag. |
— |
— |
18.792 ± 0.357 |
18.241 ± 0.273 |
17.989 ± 0.065 |
17.910 ± 0.081 |
2 x 2 arcmin
Image cutouts
See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.
Photometry measurements
| Filter |
Image ID |
Magnitude (APC05) |
Flags |
Exp time (s) |
Image Quality
(1=best to 3) |
| g |
20190506165109 |
19.493 ± 0.059 |
3,0 |
100 |
2 |
| g |
20190507143127 |
19.545 ± 0.075 |
1,0 |
100 |
2 |
| r |
20140729111131 |
18.790 ± 0.199 |
0,0 |
5 |
2 |
| r |
20190506165309 |
18.690 ± 0.056 |
3,0 |
100 |
2 |
| r |
20190507143327 |
18.794 ± 0.068 |
1,0 |
100 |
2 |
| i |
20140729111202 |
18.192 ± 0.149 |
0,0 |
10 |
2 |
| i |
20150901084153 |
18.091 ± 0.061 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.078 ± 0.063 |
3,0 |
100 |
2 |
| i |
20190505170526 |
18.152 ± 0.067 |
17,0 |
100 |
2 |
| i |
20190508164002 |
18.198 ± 0.083 |
0,0 |
100 |
2 |
| i |
20190509140533 |
18.069 ± 0.072 |
1,0 |
100 |
2 |
| i |
20200513190610 |
18.156 ± 0.083 |
0,0 |
100 |
2 |
| z |
20140722114259 |
18.086 ± 0.169 |
0,0 |
20 |
2 |
| z |
20140729111235 |
17.965 ± 0.157 |
0,0 |
20 |
2 |
| z |
20150901084353 |
17.864 ± 0.080 |
0,0 |
100 |
2 |
| z |
20150901084754 |
17.923 ± 0.091 |
0,0 |
100 |
2 |
| z |
20190508164202 |
17.789 ± 0.089 |
0,0 |
100 |
2 |
| z |
20190509140733 |
18.054 ± 0.111 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.21 |
1.44 |
| GAIA source ID |
4121255453934004608 |
4121255458255565312 |
| Bp mag. |
19.421 |
-- |
| G mag. |
18.657 |
20.844 |
| Rp mag. |
17.778 |
-- |
| Bp/Rp excess |
1.305 |
-- |
| Parallax (mas) |
0.262 ± 0.280 |
-- ± -- |
| PM RA (mas/yr) |
2.197 ± 0.303 |
-- ± -- |
| PM Dec (mas/yr) |
-4.931 ± 0.220 |
-- ± -- |
| A.E.N. (mas) |
0.0 ± 0.0 |
5.869 ± 2.964 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
--
±
--
|
| r |
18.612
±
0.007
|
| i |
--
±
--
|
| z |
--
±
--
|
| Y |
--
±
--
|
| J |
16.625
±
0.018
|
| H |
--
±
--
|
| K |
16.069
±
0.044
|
| W1 |
16.23
±
0.039
|
| W2 |
17.568
±
--
|
| W3 |
--
±
--
|
| W4 |
--
±
--
|
| 1Magnitude sources |
| FUV/NUV: |
AB mag (calibrated) from GALEX |
| ugriz: |
AB mag (Kron) from NOAO Source Catalog |
| YJHK: |
Vega mag from VISTA (2" aperture) or 2MASS PSC |
| W1-W4: |
Vega mag from CatWISE2020 or AllWISE (profile mag). No error value
means the stated value is an upper limit. |
