Exposure
- ID
- GRAVI.2023-09-01T00:24:52.106_2
- Header ID
- GRAVI.2023-09-01T00:24:52.106
- Date updated
- 2023-09-01 00:40:24 UTC+0000
- Release date
- 2024-09-01 00:40:24 UTC+0000
- UTC Start
- 2023-09-01 00:24:52.106
- UTC End
- 2023-09-01 00:30:52.106
- MJD Start
- 60188.01726975
- MJD End
- 60188.02143641667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036165
- Ambient temperature (°C)
- 12.12
- Seeing (arcsec)
- 0.895
Observation
- ID
- 56827
- Category
- science
- Program ID
- 111.24H1.005
- 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
- 42114
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007644694444444
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 | 56.0620 | 55.9650 | 29.7000 | 30.4000 |
| U1-U3 | 101.4100 | 101.1860 | 36.1000 | 36.7000 |
| U1-U4 | 128.5720 | 128.0770 | 64.4670 | 65.1520 |
| U2-U3 | 46.1180 | 45.9900 | 43.9000 | 44.5000 |
| U2-U4 | 88.4640 | 88.1120 | 85.6300 | 86.4030 |
| U3-U4 | 62.1690 | 62.0160 | 115.2290 | 116.0860 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60188.01726975 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416846 |
| DEC | -29.00725 |
| 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 | 56.062 |
| HIERARCH ESO ISS PBL12 END | 55.965 |
| HIERARCH ESO ISS PBLA12 START | 29.7 |
| HIERARCH ESO ISS PBLA12 END | 30.4 |
| HIERARCH ESO ISS PBL13 START | 101.41 |
| HIERARCH ESO ISS PBL13 END | 101.186 |
| HIERARCH ESO ISS PBLA13 START | 36.1 |
| HIERARCH ESO ISS PBLA13 END | 36.7 |
| HIERARCH ESO ISS PBL14 START | 128.572 |
| HIERARCH ESO ISS PBL14 END | 128.077 |
| HIERARCH ESO ISS PBLA14 START | 64.467 |
| HIERARCH ESO ISS PBLA14 END | 65.152 |
| HIERARCH ESO ISS PBL23 START | 46.118 |
| HIERARCH ESO ISS PBL23 END | 45.99 |
| HIERARCH ESO ISS PBLA23 START | 43.9 |
| HIERARCH ESO ISS PBLA23 END | 44.5 |
| HIERARCH ESO ISS PBL24 START | 88.464 |
| HIERARCH ESO ISS PBL24 END | 88.112 |
| HIERARCH ESO ISS PBLA24 START | 85.63 |
| HIERARCH ESO ISS PBLA24 END | 86.403 |
| HIERARCH ESO ISS PBL34 START | 62.169 |
| HIERARCH ESO ISS PBL34 END | 62.016 |
| HIERARCH ESO ISS PBLA34 START | 115.229 |
| HIERARCH ESO ISS PBLA34 END | 116.086 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00347 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003763 |
| HIERARCH ESO ISS AMBI TEMP | 12.12 |
| 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 | -290027.5209 |