Exposure
- ID
- GRAVI.2023-07-07T05:28:17.865_2
- Header ID
- GRAVI.2023-07-07T05:28:17.865
- Date updated
- 2023-07-07 05:41:21 UTC+0000
- Release date
- 2024-07-07 05:41:21 UTC+0000
- UTC Start
- 2023-07-07 05:28:17.865
- UTC End
- 2023-07-07 05:34:17.865
- MJD Start
- 60132.22798455
- MJD End
- 60132.2321512167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003891
- Ambient temperature (°C)
- 9.14
- Seeing (arcsec)
- 0.78
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 53.9060 | 53.6450 | 36.5000 | 36.9000 |
| U1-U3 | 96.4060 | 95.8050 | 42.8000 | 43.2000 |
| U1-U4 | 116.9590 | 115.5660 | 72.5360 | 73.1140 |
| U2-U3 | 43.2340 | 42.8880 | 50.7000 | 51.1000 |
| U2-U4 | 79.9300 | 78.9150 | 95.9100 | 96.7820 |
| U3-U4 | 58.2370 | 57.7850 | 127.7200 | 128.8630 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60132.22798455 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 53.906 |
| HIERARCH ESO ISS PBL12 END | 53.645 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 96.406 |
| HIERARCH ESO ISS PBL13 END | 95.805 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 116.959 |
| HIERARCH ESO ISS PBL14 END | 115.566 |
| HIERARCH ESO ISS PBLA14 START | 72.536 |
| HIERARCH ESO ISS PBLA14 END | 73.114 |
| HIERARCH ESO ISS PBL23 START | 43.234 |
| HIERARCH ESO ISS PBL23 END | 42.888 |
| HIERARCH ESO ISS PBLA23 START | 50.7 |
| HIERARCH ESO ISS PBLA23 END | 51.1 |
| HIERARCH ESO ISS PBL24 START | 79.93 |
| HIERARCH ESO ISS PBL24 END | 78.915 |
| HIERARCH ESO ISS PBLA24 START | 95.91 |
| HIERARCH ESO ISS PBLA24 END | 96.782 |
| HIERARCH ESO ISS PBL34 START | 58.237 |
| HIERARCH ESO ISS PBL34 END | 57.785 |
| HIERARCH ESO ISS PBLA34 START | 127.72 |
| HIERARCH ESO ISS PBLA34 END | 128.863 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003516 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004266 |
| HIERARCH ESO ISS AMBI TEMP | 9.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.87 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |