Exposure
- ID
- GRAVI.2023-06-03T07:27:48.828_2
- Header ID
- GRAVI.2023-06-03T07:27:48.828
- Date updated
- 2023-06-03 07:41:12 UTC+0000
- Release date
- 2024-06-03 07:41:12 UTC+0000
- UTC Start
- 2023-06-03 07:27:48.828
- UTC End
- 2023-06-03 07:33:48.828
- MJD Start
- 60098.3109818
- MJD End
- 60098.3151484667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030265
- Ambient temperature (°C)
- 13.69
- Seeing (arcsec)
- 0.49
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 | 54.4230 | 54.1930 | 35.5000 | 36.0000 |
| U1-U3 | 97.6040 | 97.0700 | 41.9000 | 42.3000 |
| U1-U4 | 119.7470 | 118.5010 | 71.2570 | 71.8510 |
| U2-U3 | 43.9240 | 43.6160 | 49.7000 | 50.2000 |
| U2-U4 | 81.9760 | 81.0600 | 94.0640 | 94.9090 |
| U3-U4 | 59.1650 | 58.7460 | 125.3290 | 126.4180 |
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 | 60098.3109818 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| DEC | -29.00721 |
| 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 | 54.423 |
| HIERARCH ESO ISS PBL12 END | 54.193 |
| HIERARCH ESO ISS PBLA12 START | 35.5 |
| HIERARCH ESO ISS PBLA12 END | 36.0 |
| HIERARCH ESO ISS PBL13 START | 97.604 |
| HIERARCH ESO ISS PBL13 END | 97.07 |
| HIERARCH ESO ISS PBLA13 START | 41.9 |
| HIERARCH ESO ISS PBLA13 END | 42.3 |
| HIERARCH ESO ISS PBL14 START | 119.747 |
| HIERARCH ESO ISS PBL14 END | 118.501 |
| HIERARCH ESO ISS PBLA14 START | 71.257 |
| HIERARCH ESO ISS PBLA14 END | 71.851 |
| HIERARCH ESO ISS PBL23 START | 43.924 |
| HIERARCH ESO ISS PBL23 END | 43.616 |
| HIERARCH ESO ISS PBLA23 START | 49.7 |
| HIERARCH ESO ISS PBLA23 END | 50.2 |
| HIERARCH ESO ISS PBL24 START | 81.976 |
| HIERARCH ESO ISS PBL24 END | 81.06 |
| HIERARCH ESO ISS PBLA24 START | 94.064 |
| HIERARCH ESO ISS PBLA24 END | 94.909 |
| HIERARCH ESO ISS PBL34 START | 59.165 |
| HIERARCH ESO ISS PBL34 END | 58.746 |
| HIERARCH ESO ISS PBLA34 START | 125.329 |
| HIERARCH ESO ISS PBLA34 END | 126.418 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003753 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0023 |
| HIERARCH ESO ISS AMBI TEMP | 13.69 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |