Exposure
- ID
- GRAVI.2023-06-07T05:28:39.878_2
- Header ID
- GRAVI.2023-06-07T05:28:39.878
- Date updated
- 2023-06-07 05:45:18 UTC+0000
- Release date
- 2024-06-07 05:45:18 UTC+0000
- UTC Start
- 2023-06-07 05:28:39.878
- UTC End
- 2023-06-07 05:34:39.878
- MJD Start
- 60102.22823933
- MJD End
- 60102.2324059967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0101315
- Ambient temperature (°C)
- 15.22
- Seeing (arcsec)
- 0.55
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 | 56.4170 | 56.3690 | 26.3000 | 26.9000 |
| U1-U3 | 102.2020 | 102.1000 | 32.6000 | 33.3000 |
| U1-U4 | 130.0940 | 129.9440 | 60.6620 | 61.4080 |
| U2-U3 | 46.5520 | 46.4990 | 40.3000 | 41.0000 |
| U2-U4 | 89.4170 | 89.3530 | 81.5440 | 82.3210 |
| U3-U4 | 62.4560 | 62.4710 | 110.9620 | 111.7390 |
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 | 60102.22823933 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416567 |
| DEC | -29.00724 |
| 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 | 56.417 |
| HIERARCH ESO ISS PBL12 END | 56.369 |
| HIERARCH ESO ISS PBLA12 START | 26.3 |
| HIERARCH ESO ISS PBLA12 END | 26.9 |
| HIERARCH ESO ISS PBL13 START | 102.202 |
| HIERARCH ESO ISS PBL13 END | 102.1 |
| HIERARCH ESO ISS PBLA13 START | 32.6 |
| HIERARCH ESO ISS PBLA13 END | 33.3 |
| HIERARCH ESO ISS PBL14 START | 130.094 |
| HIERARCH ESO ISS PBL14 END | 129.944 |
| HIERARCH ESO ISS PBLA14 START | 60.662 |
| HIERARCH ESO ISS PBLA14 END | 61.408 |
| HIERARCH ESO ISS PBL23 START | 46.552 |
| HIERARCH ESO ISS PBL23 END | 46.499 |
| HIERARCH ESO ISS PBLA23 START | 40.3 |
| HIERARCH ESO ISS PBLA23 END | 41.0 |
| HIERARCH ESO ISS PBL24 START | 89.417 |
| HIERARCH ESO ISS PBL24 END | 89.353 |
| HIERARCH ESO ISS PBLA24 START | 81.544 |
| HIERARCH ESO ISS PBLA24 END | 82.321 |
| HIERARCH ESO ISS PBL34 START | 62.456 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 110.962 |
| HIERARCH ESO ISS PBLA34 END | 111.739 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010697 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009566 |
| HIERARCH ESO ISS AMBI TEMP | 15.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| 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 |