Exposure
- ID
- GRAVI.2023-07-05T05:16:10.577_2
- Header ID
- GRAVI.2023-07-05T05:16:10.577
- Date updated
- 2023-07-05 05:31:26 UTC+0000
- Release date
- 2024-07-05 05:31:26 UTC+0000
- UTC Start
- 2023-07-05 05:16:10.577
- UTC End
- 2023-07-05 05:22:10.577
- MJD Start
- 60130.21956686
- MJD End
- 60130.2237335267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004394
- Ambient temperature (°C)
- 13.16
- Seeing (arcsec)
- 0.965
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 | 54.6170 | 54.4000 | 35.1000 | 35.6000 |
| U1-U3 | 98.0540 | 97.5510 | 41.4000 | 41.9000 |
| U1-U4 | 120.8000 | 119.6240 | 70.7190 | 71.3160 |
| U2-U3 | 44.1840 | 43.8930 | 49.3000 | 49.8000 |
| U2-U4 | 82.7520 | 81.8860 | 93.3190 | 94.1480 |
| U3-U4 | 59.5220 | 59.1230 | 124.3790 | 125.4370 |
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 | 60130.21956686 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416727 |
| DEC | -29.00739 |
| 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 | 54.617 |
| HIERARCH ESO ISS PBL12 END | 54.4 |
| HIERARCH ESO ISS PBLA12 START | 35.1 |
| HIERARCH ESO ISS PBLA12 END | 35.6 |
| HIERARCH ESO ISS PBL13 START | 98.054 |
| HIERARCH ESO ISS PBL13 END | 97.551 |
| HIERARCH ESO ISS PBLA13 START | 41.4 |
| HIERARCH ESO ISS PBLA13 END | 41.9 |
| HIERARCH ESO ISS PBL14 START | 120.8 |
| HIERARCH ESO ISS PBL14 END | 119.624 |
| HIERARCH ESO ISS PBLA14 START | 70.719 |
| HIERARCH ESO ISS PBLA14 END | 71.316 |
| HIERARCH ESO ISS PBL23 START | 44.184 |
| HIERARCH ESO ISS PBL23 END | 43.893 |
| HIERARCH ESO ISS PBLA23 START | 49.3 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 82.752 |
| HIERARCH ESO ISS PBL24 END | 81.886 |
| HIERARCH ESO ISS PBLA24 START | 93.319 |
| HIERARCH ESO ISS PBLA24 END | 94.148 |
| HIERARCH ESO ISS PBL34 START | 59.522 |
| HIERARCH ESO ISS PBL34 END | 59.123 |
| HIERARCH ESO ISS PBLA34 START | 124.379 |
| HIERARCH ESO ISS PBLA34 END | 125.437 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005083 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003705 |
| HIERARCH ESO ISS AMBI TEMP | 13.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 1.13 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |