Exposure
- ID
- GRAVI.2023-06-07T06:59:49.123_2
- Header ID
- GRAVI.2023-06-07T06:59:49.123
- Date updated
- 2023-06-07 07:15:25 UTC+0000
- Release date
- 2024-06-07 07:15:25 UTC+0000
- UTC Start
- 2023-06-07 06:59:49.123
- UTC End
- 2023-06-07 07:05:49.123
- MJD Start
- 60102.29154078
- MJD End
- 60102.2957074467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0105745
- Ambient temperature (°C)
- 14.29
- Seeing (arcsec)
- 0.5
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 | 54.8200 | 54.6170 | 34.6000 | 35.1000 |
| U1-U3 | 98.5240 | 98.0540 | 41.0000 | 41.4000 |
| U1-U4 | 121.8980 | 120.7980 | 70.1200 | 70.7220 |
| U2-U3 | 44.4550 | 44.1830 | 48.8000 | 49.3000 |
| U2-U4 | 83.5630 | 82.7510 | 92.5080 | 93.3220 |
| U3-U4 | 59.8990 | 59.5220 | 123.3540 | 124.3820 |
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 | 60102.29154078 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416547 |
| DEC | -29.00719 |
| 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 | 54.82 |
| HIERARCH ESO ISS PBL12 END | 54.617 |
| HIERARCH ESO ISS PBLA12 START | 34.6 |
| HIERARCH ESO ISS PBLA12 END | 35.1 |
| HIERARCH ESO ISS PBL13 START | 98.524 |
| HIERARCH ESO ISS PBL13 END | 98.054 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.4 |
| HIERARCH ESO ISS PBL14 START | 121.898 |
| HIERARCH ESO ISS PBL14 END | 120.798 |
| HIERARCH ESO ISS PBLA14 START | 70.12 |
| HIERARCH ESO ISS PBLA14 END | 70.722 |
| HIERARCH ESO ISS PBL23 START | 44.455 |
| HIERARCH ESO ISS PBL23 END | 44.183 |
| HIERARCH ESO ISS PBLA23 START | 48.8 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 83.563 |
| HIERARCH ESO ISS PBL24 END | 82.751 |
| HIERARCH ESO ISS PBLA24 START | 92.508 |
| HIERARCH ESO ISS PBLA24 END | 93.322 |
| HIERARCH ESO ISS PBL34 START | 59.899 |
| HIERARCH ESO ISS PBL34 END | 59.522 |
| HIERARCH ESO ISS PBLA34 START | 123.354 |
| HIERARCH ESO ISS PBLA34 END | 124.382 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011683 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009466 |
| HIERARCH ESO ISS AMBI TEMP | 14.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |