Exposure
- ID
- GRAVI.2023-06-02T05:49:59.109_2
- Header ID
- GRAVI.2023-06-02T05:49:59.109
- Date updated
- 2023-06-02 06:05:49 UTC+0000
- Release date
- 2024-06-02 06:05:49 UTC+0000
- UTC Start
- 2023-06-02 05:49:59.109
- UTC End
- 2023-06-02 05:55:59.109
- MJD Start
- 60097.24304524
- MJD End
- 60097.2472119067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007789
- Ambient temperature (°C)
- 16.2
- Seeing (arcsec)
- 0.3
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 | 56.4060 | 56.3550 | 26.4000 | 27.1000 |
| U1-U3 | 102.1780 | 102.0700 | 32.8000 | 33.5000 |
| U1-U4 | 130.0620 | 129.8950 | 60.8280 | 61.5780 |
| U2-U3 | 46.5400 | 46.4830 | 40.5000 | 41.2000 |
| U2-U4 | 89.4060 | 89.3280 | 81.7180 | 82.5010 |
| U3-U4 | 62.4630 | 62.4700 | 111.1340 | 111.9210 |
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 | 60097.24304524 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416772 |
| DEC | -29.00718 |
| 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 | 56.406 |
| HIERARCH ESO ISS PBL12 END | 56.355 |
| HIERARCH ESO ISS PBLA12 START | 26.4 |
| HIERARCH ESO ISS PBLA12 END | 27.1 |
| HIERARCH ESO ISS PBL13 START | 102.178 |
| HIERARCH ESO ISS PBL13 END | 102.07 |
| HIERARCH ESO ISS PBLA13 START | 32.8 |
| HIERARCH ESO ISS PBLA13 END | 33.5 |
| HIERARCH ESO ISS PBL14 START | 130.062 |
| HIERARCH ESO ISS PBL14 END | 129.895 |
| HIERARCH ESO ISS PBLA14 START | 60.828 |
| HIERARCH ESO ISS PBLA14 END | 61.578 |
| HIERARCH ESO ISS PBL23 START | 46.54 |
| HIERARCH ESO ISS PBL23 END | 46.483 |
| HIERARCH ESO ISS PBLA23 START | 40.5 |
| HIERARCH ESO ISS PBLA23 END | 41.2 |
| HIERARCH ESO ISS PBL24 START | 89.406 |
| HIERARCH ESO ISS PBL24 END | 89.328 |
| HIERARCH ESO ISS PBLA24 START | 81.718 |
| HIERARCH ESO ISS PBLA24 END | 82.501 |
| HIERARCH ESO ISS PBL34 START | 62.463 |
| HIERARCH ESO ISS PBL34 END | 62.47 |
| HIERARCH ESO ISS PBLA34 START | 111.134 |
| HIERARCH ESO ISS PBLA34 END | 111.921 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008865 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006713 |
| HIERARCH ESO ISS AMBI TEMP | 16.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.29 |
| HIERARCH ESO ISS AMBI FWHM END | 0.31 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |