Exposure
- ID
- GRAVI.2023-06-03T06:32:39.676_2
- Header ID
- GRAVI.2023-06-03T06:32:39.676
- Date updated
- 2023-06-03 06:46:12 UTC+0000
- Release date
- 2024-06-03 06:46:12 UTC+0000
- UTC Start
- 2023-06-03 06:32:39.676
- UTC End
- 2023-06-03 06:38:39.676
- MJD Start
- 60098.27268144
- MJD End
- 60098.2768481067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036395
- Ambient temperature (°C)
- 13.45
- Seeing (arcsec)
- 0.44
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 | 55.8400 | 55.7190 | 31.0000 | 31.6000 |
| U1-U3 | 100.8970 | 100.6150 | 37.4000 | 38.0000 |
| U1-U4 | 127.4250 | 126.7800 | 65.9220 | 66.5880 |
| U2-U3 | 45.8250 | 45.6630 | 45.2000 | 45.8000 |
| U2-U4 | 87.6410 | 87.1700 | 87.2890 | 88.0710 |
| U3-U4 | 61.8040 | 61.5880 | 117.0860 | 117.9850 |
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 | 60098.27268144 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| DEC | -29.00721 |
| 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 | 55.84 |
| HIERARCH ESO ISS PBL12 END | 55.719 |
| HIERARCH ESO ISS PBLA12 START | 31.0 |
| HIERARCH ESO ISS PBLA12 END | 31.6 |
| HIERARCH ESO ISS PBL13 START | 100.897 |
| HIERARCH ESO ISS PBL13 END | 100.615 |
| HIERARCH ESO ISS PBLA13 START | 37.4 |
| HIERARCH ESO ISS PBLA13 END | 38.0 |
| HIERARCH ESO ISS PBL14 START | 127.425 |
| HIERARCH ESO ISS PBL14 END | 126.78 |
| HIERARCH ESO ISS PBLA14 START | 65.922 |
| HIERARCH ESO ISS PBLA14 END | 66.588 |
| HIERARCH ESO ISS PBL23 START | 45.825 |
| HIERARCH ESO ISS PBL23 END | 45.663 |
| HIERARCH ESO ISS PBLA23 START | 45.2 |
| HIERARCH ESO ISS PBLA23 END | 45.8 |
| HIERARCH ESO ISS PBL24 START | 87.641 |
| HIERARCH ESO ISS PBL24 END | 87.17 |
| HIERARCH ESO ISS PBLA24 START | 87.289 |
| HIERARCH ESO ISS PBLA24 END | 88.071 |
| HIERARCH ESO ISS PBL34 START | 61.804 |
| HIERARCH ESO ISS PBL34 END | 61.588 |
| HIERARCH ESO ISS PBLA34 START | 117.086 |
| HIERARCH ESO ISS PBLA34 END | 117.985 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003452 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003827 |
| HIERARCH ESO ISS AMBI TEMP | 13.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |