Exposure
- ID
- GRAVI.2023-07-05T02:23:49.116_2
- Header ID
- GRAVI.2023-07-05T02:23:49.116
- Date updated
- 2023-07-05 02:36:24 UTC+0000
- Release date
- 2024-07-05 02:36:24 UTC+0000
- UTC Start
- 2023-07-05 02:23:49.116
- UTC End
- 2023-07-05 02:29:49.116
- MJD Start
- 60130.09987403
- MJD End
- 60130.1040406967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003747
- Ambient temperature (°C)
- 13.23
- Seeing (arcsec)
- 0.745
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 | 56.5240 | 56.5370 | 17.4000 | 18.2000 |
| U1-U3 | 102.2010 | 102.2650 | 23.4000 | 24.3000 |
| U1-U4 | 127.7600 | 128.2240 | 50.7730 | 51.7300 |
| U2-U3 | 46.3840 | 46.4430 | 30.9000 | 31.8000 |
| U2-U4 | 86.3890 | 86.9120 | 71.8970 | 72.7980 |
| U3-U4 | 59.7530 | 60.1770 | 102.5460 | 103.2430 |
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 | 60130.09987403 |
| 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 | 56.524 |
| HIERARCH ESO ISS PBL12 END | 56.537 |
| HIERARCH ESO ISS PBLA12 START | 17.4 |
| HIERARCH ESO ISS PBLA12 END | 18.2 |
| HIERARCH ESO ISS PBL13 START | 102.201 |
| HIERARCH ESO ISS PBL13 END | 102.265 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.3 |
| HIERARCH ESO ISS PBL14 START | 127.76 |
| HIERARCH ESO ISS PBL14 END | 128.224 |
| HIERARCH ESO ISS PBLA14 START | 50.773 |
| HIERARCH ESO ISS PBLA14 END | 51.73 |
| HIERARCH ESO ISS PBL23 START | 46.384 |
| HIERARCH ESO ISS PBL23 END | 46.443 |
| HIERARCH ESO ISS PBLA23 START | 30.9 |
| HIERARCH ESO ISS PBLA23 END | 31.8 |
| HIERARCH ESO ISS PBL24 START | 86.389 |
| HIERARCH ESO ISS PBL24 END | 86.912 |
| HIERARCH ESO ISS PBLA24 START | 71.897 |
| HIERARCH ESO ISS PBLA24 END | 72.798 |
| HIERARCH ESO ISS PBL34 START | 59.753 |
| HIERARCH ESO ISS PBL34 END | 60.177 |
| HIERARCH ESO ISS PBLA34 START | 102.546 |
| HIERARCH ESO ISS PBLA34 END | 103.243 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004081 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003413 |
| HIERARCH ESO ISS AMBI TEMP | 13.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |