Exposure
- ID
- GRAVI.2023-06-04T06:57:18.124_2
- Header ID
- GRAVI.2023-06-04T06:57:18.124
- Date updated
- 2023-06-04 07:15:52 UTC+0000
- Release date
- 2024-06-04 07:15:52 UTC+0000
- UTC Start
- 2023-06-04 06:57:18.124
- UTC End
- 2023-06-04 07:03:18.124
- MJD Start
- 60099.2897931
- MJD End
- 60099.2939597667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0097365
- Ambient temperature (°C)
- 13.3
- Seeing (arcsec)
- 0.515
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 | 55.2200 | 55.0470 | 33.5000 | 34.0000 |
| U1-U3 | 99.4550 | 99.0510 | 39.9000 | 40.4000 |
| U1-U4 | 124.0790 | 123.1340 | 68.7630 | 69.3820 |
| U2-U3 | 44.9930 | 44.7600 | 47.7000 | 48.2000 |
| U2-U4 | 85.1770 | 84.4780 | 90.7380 | 91.5340 |
| U3-U4 | 60.6540 | 60.3260 | 121.1630 | 122.1400 |
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 | 60099.2897931 |
| 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 | 55.22 |
| HIERARCH ESO ISS PBL12 END | 55.047 |
| HIERARCH ESO ISS PBLA12 START | 33.5 |
| HIERARCH ESO ISS PBLA12 END | 34.0 |
| HIERARCH ESO ISS PBL13 START | 99.455 |
| HIERARCH ESO ISS PBL13 END | 99.051 |
| HIERARCH ESO ISS PBLA13 START | 39.9 |
| HIERARCH ESO ISS PBLA13 END | 40.4 |
| HIERARCH ESO ISS PBL14 START | 124.079 |
| HIERARCH ESO ISS PBL14 END | 123.134 |
| HIERARCH ESO ISS PBLA14 START | 68.763 |
| HIERARCH ESO ISS PBLA14 END | 69.382 |
| HIERARCH ESO ISS PBL23 START | 44.993 |
| HIERARCH ESO ISS PBL23 END | 44.76 |
| HIERARCH ESO ISS PBLA23 START | 47.7 |
| HIERARCH ESO ISS PBLA23 END | 48.2 |
| HIERARCH ESO ISS PBL24 START | 85.177 |
| HIERARCH ESO ISS PBL24 END | 84.478 |
| HIERARCH ESO ISS PBLA24 START | 90.738 |
| HIERARCH ESO ISS PBLA24 END | 91.534 |
| HIERARCH ESO ISS PBL34 START | 60.654 |
| HIERARCH ESO ISS PBL34 END | 60.326 |
| HIERARCH ESO ISS PBLA34 START | 121.163 |
| HIERARCH ESO ISS PBLA34 END | 122.14 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0101 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009373 |
| HIERARCH ESO ISS AMBI TEMP | 13.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| 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 |