Exposure
- ID
- GRAVI.2023-07-04T06:13:52.272_2
- Header ID
- GRAVI.2023-07-04T06:13:52.272
- Date updated
- 2023-07-04 06:30:36 UTC+0000
- Release date
- 2024-07-04 06:30:36 UTC+0000
- UTC Start
- 2023-07-04 06:13:52.272
- UTC End
- 2023-07-04 06:19:52.272
- MJD Start
- 60129.25963278
- MJD End
- 60129.2637994467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00244
- Ambient temperature (°C)
- 12.14
- Seeing (arcsec)
- 1.345
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 | 52.3930 | 52.0560 | 38.5000 | 38.8000 |
| U1-U3 | 92.9310 | 92.1610 | 44.7000 | 45.0000 |
| U1-U4 | 108.9730 | 107.2240 | 75.4860 | 76.0410 |
| U2-U3 | 41.2420 | 40.8020 | 52.6000 | 53.0000 |
| U2-U4 | 74.1690 | 72.9280 | 100.6440 | 101.6240 |
| U3-U4 | 55.7530 | 55.2460 | 133.9880 | 135.2950 |
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 | 60129.25963278 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| 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 | 52.393 |
| HIERARCH ESO ISS PBL12 END | 52.056 |
| HIERARCH ESO ISS PBLA12 START | 38.5 |
| HIERARCH ESO ISS PBLA12 END | 38.8 |
| HIERARCH ESO ISS PBL13 START | 92.931 |
| HIERARCH ESO ISS PBL13 END | 92.161 |
| HIERARCH ESO ISS PBLA13 START | 44.7 |
| HIERARCH ESO ISS PBLA13 END | 45.0 |
| HIERARCH ESO ISS PBL14 START | 108.973 |
| HIERARCH ESO ISS PBL14 END | 107.224 |
| HIERARCH ESO ISS PBLA14 START | 75.486 |
| HIERARCH ESO ISS PBLA14 END | 76.041 |
| HIERARCH ESO ISS PBL23 START | 41.242 |
| HIERARCH ESO ISS PBL23 END | 40.802 |
| HIERARCH ESO ISS PBLA23 START | 52.6 |
| HIERARCH ESO ISS PBLA23 END | 53.0 |
| HIERARCH ESO ISS PBL24 START | 74.169 |
| HIERARCH ESO ISS PBL24 END | 72.928 |
| HIERARCH ESO ISS PBLA24 START | 100.644 |
| HIERARCH ESO ISS PBLA24 END | 101.624 |
| HIERARCH ESO ISS PBL34 START | 55.753 |
| HIERARCH ESO ISS PBL34 END | 55.246 |
| HIERARCH ESO ISS PBLA34 START | 133.988 |
| HIERARCH ESO ISS PBLA34 END | 135.295 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002016 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002864 |
| HIERARCH ESO ISS AMBI TEMP | 12.14 |
| HIERARCH ESO ISS AMBI FWHM START | 1.59 |
| HIERARCH ESO ISS AMBI FWHM END | 1.1 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |