Exposure
- ID
- GRAVI.2022-04-18T08:04:37.275_2
- Header ID
- GRAVI.2022-04-18T08:04:37.275
- Date updated
- 2022-05-09 13:49:52 UTC+0000
- Release date
- 2022-04-18 08:20:31 UTC+0000
- UTC Start
- 2022-04-18 08:04:37.275
- UTC End
- 2022-04-18 08:14:37.275
- MJD Start
- 59687.33654253
- MJD End
- 59687.3434869744
- Exposure time (s)
- 600.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004413
- Ambient temperature (°C)
- 11.38
- Seeing (arcsec)
- 0.9
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 | 52.1620 | 52.6850 | 33.7000 | 34.2000 |
| U1-U3 | 96.4850 | 97.4170 | 39.7000 | 39.9000 |
| U1-U4 | 129.8750 | 130.1420 | 63.6250 | 63.2950 |
| U2-U3 | 44.9250 | 45.3030 | 46.5000 | 46.6000 |
| U2-U4 | 88.5470 | 87.9190 | 80.6940 | 80.2360 |
| U3-U4 | 57.2230 | 56.1140 | 106.8400 | 106.7890 |
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 | 59687.33654253 |
| 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 | 52.162 |
| HIERARCH ESO ISS PBL12 END | 52.685 |
| HIERARCH ESO ISS PBLA12 START | 33.7 |
| HIERARCH ESO ISS PBLA12 END | 34.2 |
| HIERARCH ESO ISS PBL13 START | 96.485 |
| HIERARCH ESO ISS PBL13 END | 97.417 |
| HIERARCH ESO ISS PBLA13 START | 39.7 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 129.875 |
| HIERARCH ESO ISS PBL14 END | 130.142 |
| HIERARCH ESO ISS PBLA14 START | 63.625 |
| HIERARCH ESO ISS PBLA14 END | 63.295 |
| HIERARCH ESO ISS PBL23 START | 44.925 |
| HIERARCH ESO ISS PBL23 END | 45.303 |
| HIERARCH ESO ISS PBLA23 START | 46.5 |
| HIERARCH ESO ISS PBLA23 END | 46.6 |
| HIERARCH ESO ISS PBL24 START | 88.547 |
| HIERARCH ESO ISS PBL24 END | 87.919 |
| HIERARCH ESO ISS PBLA24 START | 80.694 |
| HIERARCH ESO ISS PBLA24 END | 80.236 |
| HIERARCH ESO ISS PBL34 START | 57.223 |
| HIERARCH ESO ISS PBL34 END | 56.114 |
| HIERARCH ESO ISS PBLA34 START | 106.84 |
| HIERARCH ESO ISS PBLA34 END | 106.789 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004728 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004098 |
| HIERARCH ESO ISS AMBI TEMP | 11.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.97 |
| HIERARCH ESO FT ROBJ NAME | SDSS_J161513.84+0849 |
| HIERARCH ESO FT ROBJ ALPHA | 161514.306 |
| HIERARCH ESO FT ROBJ DELTA | 084916.692 |