Exposure
- ID
- GRAVI.2023-06-04T07:12:12.163_2
- Header ID
- GRAVI.2023-06-04T07:12:12.163
- Date updated
- 2023-06-04 07:25:49 UTC+0000
- Release date
- 2024-06-04 07:25:49 UTC+0000
- UTC Start
- 2023-06-04 07:12:12.163
- UTC End
- 2023-06-04 07:18:12.163
- MJD Start
- 60099.30014078
- MJD End
- 60099.3043074467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0110535
- Ambient temperature (°C)
- 13.22
- Seeing (arcsec)
- 0.46
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 | 54.8020 | 54.5980 | 34.7000 | 35.2000 |
| U1-U3 | 98.4830 | 98.0100 | 41.0000 | 41.5000 |
| U1-U4 | 121.8020 | 120.6960 | 70.1730 | 70.7740 |
| U2-U3 | 44.4310 | 44.1580 | 48.9000 | 49.3000 |
| U2-U4 | 83.4920 | 82.6750 | 92.5790 | 93.3940 |
| U3-U4 | 59.8660 | 59.4870 | 123.4440 | 124.4750 |
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 | 60099.30014078 |
| 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 | 54.802 |
| HIERARCH ESO ISS PBL12 END | 54.598 |
| HIERARCH ESO ISS PBLA12 START | 34.7 |
| HIERARCH ESO ISS PBLA12 END | 35.2 |
| HIERARCH ESO ISS PBL13 START | 98.483 |
| HIERARCH ESO ISS PBL13 END | 98.01 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.5 |
| HIERARCH ESO ISS PBL14 START | 121.802 |
| HIERARCH ESO ISS PBL14 END | 120.696 |
| HIERARCH ESO ISS PBLA14 START | 70.173 |
| HIERARCH ESO ISS PBLA14 END | 70.774 |
| HIERARCH ESO ISS PBL23 START | 44.431 |
| HIERARCH ESO ISS PBL23 END | 44.158 |
| HIERARCH ESO ISS PBLA23 START | 48.9 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 83.492 |
| HIERARCH ESO ISS PBL24 END | 82.675 |
| HIERARCH ESO ISS PBLA24 START | 92.579 |
| HIERARCH ESO ISS PBLA24 END | 93.394 |
| HIERARCH ESO ISS PBL34 START | 59.866 |
| HIERARCH ESO ISS PBL34 END | 59.487 |
| HIERARCH ESO ISS PBLA34 START | 123.444 |
| HIERARCH ESO ISS PBLA34 END | 124.475 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008876 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013231 |
| HIERARCH ESO ISS AMBI TEMP | 13.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |