Exposure
- ID
- GRAVI.2023-06-04T06:04:41.978_2
- Header ID
- GRAVI.2023-06-04T06:04:41.978
- Date updated
- 2023-06-04 06:20:29 UTC+0000
- Release date
- 2024-06-04 06:20:28 UTC+0000
- UTC Start
- 2023-06-04 06:04:41.978
- UTC End
- 2023-06-04 06:10:41.978
- MJD Start
- 60099.25326364
- MJD End
- 60099.2574303067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0119075
- Ambient temperature (°C)
- 13.82
- Seeing (arcsec)
- 0.49
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 | 56.1940 | 56.1120 | 28.7000 | 29.4000 |
| U1-U3 | 101.7090 | 101.5240 | 35.1000 | 35.8000 |
| U1-U4 | 129.2090 | 128.8180 | 63.3750 | 64.0790 |
| U2-U3 | 46.2860 | 46.1820 | 42.9000 | 43.5000 |
| U2-U4 | 88.9030 | 88.6350 | 84.4240 | 85.1980 |
| U3-U4 | 62.3470 | 62.2410 | 113.9240 | 114.7570 |
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 | 60099.25326364 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 56.194 |
| HIERARCH ESO ISS PBL12 END | 56.112 |
| HIERARCH ESO ISS PBLA12 START | 28.7 |
| HIERARCH ESO ISS PBLA12 END | 29.4 |
| HIERARCH ESO ISS PBL13 START | 101.709 |
| HIERARCH ESO ISS PBL13 END | 101.524 |
| HIERARCH ESO ISS PBLA13 START | 35.1 |
| HIERARCH ESO ISS PBLA13 END | 35.8 |
| HIERARCH ESO ISS PBL14 START | 129.209 |
| HIERARCH ESO ISS PBL14 END | 128.818 |
| HIERARCH ESO ISS PBLA14 START | 63.375 |
| HIERARCH ESO ISS PBLA14 END | 64.079 |
| HIERARCH ESO ISS PBL23 START | 46.286 |
| HIERARCH ESO ISS PBL23 END | 46.182 |
| HIERARCH ESO ISS PBLA23 START | 42.9 |
| HIERARCH ESO ISS PBLA23 END | 43.5 |
| HIERARCH ESO ISS PBL24 START | 88.903 |
| HIERARCH ESO ISS PBL24 END | 88.635 |
| HIERARCH ESO ISS PBLA24 START | 84.424 |
| HIERARCH ESO ISS PBLA24 END | 85.198 |
| HIERARCH ESO ISS PBL34 START | 62.347 |
| HIERARCH ESO ISS PBL34 END | 62.241 |
| HIERARCH ESO ISS PBLA34 START | 113.924 |
| HIERARCH ESO ISS PBLA34 END | 114.757 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011848 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011967 |
| HIERARCH ESO ISS AMBI TEMP | 13.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |