Exposure
- ID
- GRAVI.2023-07-05T03:57:46.367_2
- Header ID
- GRAVI.2023-07-05T03:57:46.367
- Date updated
- 2023-07-05 04:11:33 UTC+0000
- Release date
- 2024-07-05 04:11:33 UTC+0000
- UTC Start
- 2023-07-05 03:57:46.367
- UTC End
- 2023-07-05 04:03:46.367
- MJD Start
- 60130.16511999
- MJD End
- 60130.1692866567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029445
- Ambient temperature (°C)
- 13.74
- Seeing (arcsec)
- 1.07
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 | 56.2500 | 56.1760 | 28.2000 | 28.9000 |
| U1-U3 | 101.8370 | 101.6700 | 34.6000 | 35.3000 |
| U1-U4 | 129.4670 | 129.1270 | 62.8130 | 63.5280 |
| U2-U3 | 46.3570 | 46.2640 | 42.3000 | 43.0000 |
| U2-U4 | 89.0720 | 88.8470 | 83.8150 | 84.5920 |
| U3-U4 | 62.4070 | 62.3260 | 113.2800 | 114.1040 |
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 | 60130.16511999 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 56.25 |
| HIERARCH ESO ISS PBL12 END | 56.176 |
| HIERARCH ESO ISS PBLA12 START | 28.2 |
| HIERARCH ESO ISS PBLA12 END | 28.9 |
| HIERARCH ESO ISS PBL13 START | 101.837 |
| HIERARCH ESO ISS PBL13 END | 101.67 |
| HIERARCH ESO ISS PBLA13 START | 34.6 |
| HIERARCH ESO ISS PBLA13 END | 35.3 |
| HIERARCH ESO ISS PBL14 START | 129.467 |
| HIERARCH ESO ISS PBL14 END | 129.127 |
| HIERARCH ESO ISS PBLA14 START | 62.813 |
| HIERARCH ESO ISS PBLA14 END | 63.528 |
| HIERARCH ESO ISS PBL23 START | 46.357 |
| HIERARCH ESO ISS PBL23 END | 46.264 |
| HIERARCH ESO ISS PBLA23 START | 42.3 |
| HIERARCH ESO ISS PBLA23 END | 43.0 |
| HIERARCH ESO ISS PBL24 START | 89.072 |
| HIERARCH ESO ISS PBL24 END | 88.847 |
| HIERARCH ESO ISS PBLA24 START | 83.815 |
| HIERARCH ESO ISS PBLA24 END | 84.592 |
| HIERARCH ESO ISS PBL34 START | 62.407 |
| HIERARCH ESO ISS PBL34 END | 62.326 |
| HIERARCH ESO ISS PBLA34 START | 113.28 |
| HIERARCH ESO ISS PBLA34 END | 114.104 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002825 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003064 |
| HIERARCH ESO ISS AMBI TEMP | 13.74 |
| HIERARCH ESO ISS AMBI FWHM START | 1.14 |
| HIERARCH ESO ISS AMBI FWHM END | 1.0 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |