Exposure
- ID
- GRAVI.2023-07-05T01:54:40.037_2
- Header ID
- GRAVI.2023-07-05T01:54:40.037
- Date updated
- 2023-07-05 02:10:20 UTC+0000
- Release date
- 2024-07-05 02:10:20 UTC+0000
- UTC Start
- 2023-07-05 01:54:40.037
- UTC End
- 2023-07-05 02:00:40.037
- MJD Start
- 60130.07963006
- MJD End
- 60130.0837967267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045325
- Ambient temperature (°C)
- 13.67
- Seeing (arcsec)
- 0.895
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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 | 56.4390 | 56.4600 | 13.5000 | 14.4000 |
| U1-U3 | 101.8350 | 101.9250 | 19.4000 | 20.3000 |
| U1-U4 | 125.2180 | 125.8420 | 46.2060 | 47.2630 |
| U2-U3 | 46.0550 | 46.1350 | 26.6000 | 27.5000 |
| U2-U4 | 83.5020 | 84.2170 | 67.6320 | 68.6170 |
| U3-U4 | 57.4040 | 57.9890 | 99.4460 | 100.1330 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60130.07963006 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 56.439 |
| HIERARCH ESO ISS PBL12 END | 56.46 |
| HIERARCH ESO ISS PBLA12 START | 13.5 |
| HIERARCH ESO ISS PBLA12 END | 14.4 |
| HIERARCH ESO ISS PBL13 START | 101.835 |
| HIERARCH ESO ISS PBL13 END | 101.925 |
| HIERARCH ESO ISS PBLA13 START | 19.4 |
| HIERARCH ESO ISS PBLA13 END | 20.3 |
| HIERARCH ESO ISS PBL14 START | 125.218 |
| HIERARCH ESO ISS PBL14 END | 125.842 |
| HIERARCH ESO ISS PBLA14 START | 46.206 |
| HIERARCH ESO ISS PBLA14 END | 47.263 |
| HIERARCH ESO ISS PBL23 START | 46.055 |
| HIERARCH ESO ISS PBL23 END | 46.135 |
| HIERARCH ESO ISS PBLA23 START | 26.6 |
| HIERARCH ESO ISS PBLA23 END | 27.5 |
| HIERARCH ESO ISS PBL24 START | 83.502 |
| HIERARCH ESO ISS PBL24 END | 84.217 |
| HIERARCH ESO ISS PBLA24 START | 67.632 |
| HIERARCH ESO ISS PBLA24 END | 68.617 |
| HIERARCH ESO ISS PBL34 START | 57.404 |
| HIERARCH ESO ISS PBL34 END | 57.989 |
| HIERARCH ESO ISS PBLA34 START | 99.446 |
| HIERARCH ESO ISS PBLA34 END | 100.133 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004374 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004691 |
| HIERARCH ESO ISS AMBI TEMP | 13.67 |
| HIERARCH ESO ISS AMBI FWHM START | 0.94 |
| HIERARCH ESO ISS AMBI FWHM END | 0.85 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |