Exposure
- ID
- GRAVI.2022-04-18T07:53:52.248_2
- Header ID
- GRAVI.2022-04-18T07:53:52.248
- Date updated
- 2022-05-09 13:49:52 UTC+0000
- Release date
- 2022-04-18 08:10:48 UTC+0000
- UTC Start
- 2022-04-18 07:53:52.248
- UTC End
- 2022-04-18 08:03:52.248
- MJD Start
- 59687.32907694
- MJD End
- 59687.3360213844
- Exposure time (s)
- 600.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045755
- Ambient temperature (°C)
- 11.73
- Seeing (arcsec)
- 0.79
Observation
- ID
- 50798
- Category
- science
- Program ID
- 60.A-9102(I)
- Program Title
- GRAVITY COMMISSIONING
- Program Type
- Normal
- PI / COI
- GRAVITYTEAM, G
Target
- ID
- 37892
- Name
- SDSS_J161513.84+0849
- RA
- 243.809608333333
- DEC
- 8.82130333333333
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.5840 | 52.1320 | 33.2000 | 33.7000 |
| U1-U3 | 95.4240 | 96.4310 | 39.3000 | 39.6000 |
| U1-U4 | 129.3720 | 129.8540 | 63.9260 | 63.6420 |
| U2-U3 | 44.4760 | 44.9020 | 46.4000 | 46.5000 |
| U2-U4 | 89.0290 | 88.5770 | 81.1540 | 80.7190 |
| U3-U4 | 58.2820 | 57.2810 | 106.9320 | 106.8440 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9102(I) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59687.32907694 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | SDSS J161513.84+084914.4 |
| HIERARCH ESO INS SOBJ NAME | SDSS_J161513.84+0849 |
| RA | 243.808967 |
| DEC | 8.82082 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 614.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 6 |
| HIERARCH ESO ISS PBL12 START | 51.584 |
| HIERARCH ESO ISS PBL12 END | 52.132 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 95.424 |
| HIERARCH ESO ISS PBL13 END | 96.431 |
| HIERARCH ESO ISS PBLA13 START | 39.3 |
| HIERARCH ESO ISS PBLA13 END | 39.6 |
| HIERARCH ESO ISS PBL14 START | 129.372 |
| HIERARCH ESO ISS PBL14 END | 129.854 |
| HIERARCH ESO ISS PBLA14 START | 63.926 |
| HIERARCH ESO ISS PBLA14 END | 63.642 |
| HIERARCH ESO ISS PBL23 START | 44.476 |
| HIERARCH ESO ISS PBL23 END | 44.902 |
| HIERARCH ESO ISS PBLA23 START | 46.4 |
| HIERARCH ESO ISS PBLA23 END | 46.5 |
| HIERARCH ESO ISS PBL24 START | 89.029 |
| HIERARCH ESO ISS PBL24 END | 88.577 |
| HIERARCH ESO ISS PBLA24 START | 81.154 |
| HIERARCH ESO ISS PBLA24 END | 80.719 |
| HIERARCH ESO ISS PBL34 START | 58.282 |
| HIERARCH ESO ISS PBL34 END | 57.281 |
| HIERARCH ESO ISS PBLA34 START | 106.932 |
| HIERARCH ESO ISS PBLA34 END | 106.844 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004875 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004276 |
| HIERARCH ESO ISS AMBI TEMP | 11.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |
| HIERARCH ESO FT ROBJ NAME | SDSS_J161513.84+0849 |
| HIERARCH ESO FT ROBJ ALPHA | 161514.306 |
| HIERARCH ESO FT ROBJ DELTA | 084916.692 |