Exposure
- ID
- GRAVI.2023-09-01T00:15:31.083_2
- Header ID
- GRAVI.2023-09-01T00:15:31.083
- Date updated
- 2023-09-01 00:30:14 UTC+0000
- Release date
- 2024-09-01 00:30:14 UTC+0000
- UTC Start
- 2023-09-01 00:15:31.083
- UTC End
- 2023-09-01 00:21:31.083
- MJD Start
- 60188.01077642
- MJD End
- 60188.014943086666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003457
- Ambient temperature (°C)
- 12.04
- Seeing (arcsec)
- 0.865
Observation
- ID
- 56827
- Category
- science
- Program ID
- 111.24H1.005
- 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
- 42114
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007644694444444
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 | 56.1850 | 56.1020 | 28.8000 | 29.5000 |
| U1-U3 | 101.6890 | 101.5000 | 35.2000 | 35.8000 |
| U1-U4 | 129.1660 | 128.7670 | 63.4640 | 64.1650 |
| U2-U3 | 46.2750 | 46.1690 | 43.0000 | 43.6000 |
| U2-U4 | 88.8740 | 88.6000 | 84.5210 | 85.2930 |
| U3-U4 | 62.3360 | 62.2270 | 114.0270 | 114.8610 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60188.01077642 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416846 |
| DEC | -29.00725 |
| 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 | 56.185 |
| HIERARCH ESO ISS PBL12 END | 56.102 |
| HIERARCH ESO ISS PBLA12 START | 28.8 |
| HIERARCH ESO ISS PBLA12 END | 29.5 |
| HIERARCH ESO ISS PBL13 START | 101.689 |
| HIERARCH ESO ISS PBL13 END | 101.5 |
| HIERARCH ESO ISS PBLA13 START | 35.2 |
| HIERARCH ESO ISS PBLA13 END | 35.8 |
| HIERARCH ESO ISS PBL14 START | 129.166 |
| HIERARCH ESO ISS PBL14 END | 128.767 |
| HIERARCH ESO ISS PBLA14 START | 63.464 |
| HIERARCH ESO ISS PBLA14 END | 64.165 |
| HIERARCH ESO ISS PBL23 START | 46.275 |
| HIERARCH ESO ISS PBL23 END | 46.169 |
| HIERARCH ESO ISS PBLA23 START | 43.0 |
| HIERARCH ESO ISS PBLA23 END | 43.6 |
| HIERARCH ESO ISS PBL24 START | 88.874 |
| HIERARCH ESO ISS PBL24 END | 88.6 |
| HIERARCH ESO ISS PBLA24 START | 84.521 |
| HIERARCH ESO ISS PBLA24 END | 85.293 |
| HIERARCH ESO ISS PBL34 START | 62.336 |
| HIERARCH ESO ISS PBL34 END | 62.227 |
| HIERARCH ESO ISS PBLA34 START | 114.027 |
| HIERARCH ESO ISS PBLA34 END | 114.861 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003669 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003245 |
| HIERARCH ESO ISS AMBI TEMP | 12.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.9 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |