Exposure
- ID
- GRAVI.2023-06-04T03:58:02.635_2
- Header ID
- GRAVI.2023-06-04T03:58:02.635
- Date updated
- 2023-06-04 04:16:04 UTC+0000
- Release date
- 2024-06-04 04:16:03 UTC+0000
- UTC Start
- 2023-06-04 03:58:02.635
- UTC End
- 2023-06-04 04:04:02.635
- MJD Start
- 60099.16530827
- MJD End
- 60099.1694749367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011034
- Ambient temperature (°C)
- 14.3
- Seeing (arcsec)
- 0.34
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 | 56.4440 | 56.4650 | 13.7000 | 14.6000 |
| U1-U3 | 101.8560 | 101.9440 | 19.6000 | 20.5000 |
| U1-U4 | 125.3630 | 125.9790 | 46.4510 | 47.4990 |
| U2-U3 | 46.0740 | 46.1530 | 26.8000 | 27.8000 |
| U2-U4 | 83.6690 | 84.3720 | 67.8600 | 68.8370 |
| U3-U4 | 57.5410 | 58.1160 | 99.6040 | 100.2900 |
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 | 60099.16530827 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 56.444 |
| HIERARCH ESO ISS PBL12 END | 56.465 |
| HIERARCH ESO ISS PBLA12 START | 13.7 |
| HIERARCH ESO ISS PBLA12 END | 14.6 |
| HIERARCH ESO ISS PBL13 START | 101.856 |
| HIERARCH ESO ISS PBL13 END | 101.944 |
| HIERARCH ESO ISS PBLA13 START | 19.6 |
| HIERARCH ESO ISS PBLA13 END | 20.5 |
| HIERARCH ESO ISS PBL14 START | 125.363 |
| HIERARCH ESO ISS PBL14 END | 125.979 |
| HIERARCH ESO ISS PBLA14 START | 46.451 |
| HIERARCH ESO ISS PBLA14 END | 47.499 |
| HIERARCH ESO ISS PBL23 START | 46.074 |
| HIERARCH ESO ISS PBL23 END | 46.153 |
| HIERARCH ESO ISS PBLA23 START | 26.8 |
| HIERARCH ESO ISS PBLA23 END | 27.8 |
| HIERARCH ESO ISS PBL24 START | 83.669 |
| HIERARCH ESO ISS PBL24 END | 84.372 |
| HIERARCH ESO ISS PBLA24 START | 67.86 |
| HIERARCH ESO ISS PBLA24 END | 68.837 |
| HIERARCH ESO ISS PBL34 START | 57.541 |
| HIERARCH ESO ISS PBL34 END | 58.116 |
| HIERARCH ESO ISS PBLA34 START | 99.604 |
| HIERARCH ESO ISS PBLA34 END | 100.29 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012816 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009252 |
| HIERARCH ESO ISS AMBI TEMP | 14.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |