Exposure
- ID
- GRAVI.2023-06-07T07:07:07.143_2
- Header ID
- GRAVI.2023-06-07T07:07:07.143
- Date updated
- 2023-06-07 07:20:43 UTC+0000
- Release date
- 2024-06-07 07:20:43 UTC+0000
- UTC Start
- 2023-06-07 07:07:07.143
- UTC End
- 2023-06-07 07:13:07.143
- MJD Start
- 60102.29661045
- MJD End
- 60102.3007771167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008781
- Ambient temperature (°C)
- 14.51
- Seeing (arcsec)
- 0.54
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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 | 54.5900 | 54.3730 | 35.2000 | 35.6000 |
| U1-U3 | 97.9910 | 97.4860 | 41.5000 | 42.0000 |
| U1-U4 | 120.6510 | 119.4720 | 70.7990 | 71.3920 |
| U2-U3 | 44.1470 | 43.8560 | 49.4000 | 49.8000 |
| U2-U4 | 82.6420 | 81.7740 | 93.4280 | 94.2540 |
| U3-U4 | 59.4720 | 59.0720 | 124.5170 | 125.5730 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60102.29661045 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416547 |
| DEC | -29.00719 |
| 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 | 54.59 |
| HIERARCH ESO ISS PBL12 END | 54.373 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.6 |
| HIERARCH ESO ISS PBL13 START | 97.991 |
| HIERARCH ESO ISS PBL13 END | 97.486 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 42.0 |
| HIERARCH ESO ISS PBL14 START | 120.651 |
| HIERARCH ESO ISS PBL14 END | 119.472 |
| HIERARCH ESO ISS PBLA14 START | 70.799 |
| HIERARCH ESO ISS PBLA14 END | 71.392 |
| HIERARCH ESO ISS PBL23 START | 44.147 |
| HIERARCH ESO ISS PBL23 END | 43.856 |
| HIERARCH ESO ISS PBLA23 START | 49.4 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 82.642 |
| HIERARCH ESO ISS PBL24 END | 81.774 |
| HIERARCH ESO ISS PBLA24 START | 93.428 |
| HIERARCH ESO ISS PBLA24 END | 94.254 |
| HIERARCH ESO ISS PBL34 START | 59.472 |
| HIERARCH ESO ISS PBL34 END | 59.072 |
| HIERARCH ESO ISS PBLA34 START | 124.517 |
| HIERARCH ESO ISS PBLA34 END | 125.573 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009466 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008096 |
| HIERARCH ESO ISS AMBI TEMP | 14.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |