Exposure
- ID
- GRAVI.2023-06-03T06:57:03.743_2
- Header ID
- GRAVI.2023-06-03T06:57:03.743
- Date updated
- 2023-06-03 07:11:06 UTC+0000
- Release date
- 2024-06-03 07:11:06 UTC+0000
- UTC Start
- 2023-06-03 06:57:03.743
- UTC End
- 2023-06-03 07:03:03.743
- MJD Start
- 60098.28962665
- MJD End
- 60098.2937933167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040005
- Ambient temperature (°C)
- 13.79
- Seeing (arcsec)
- 0.4
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 | 55.3260 | 55.1590 | 33.2000 | 33.7000 |
| U1-U3 | 99.7010 | 99.3120 | 39.5000 | 40.1000 |
| U1-U4 | 124.6540 | 123.7440 | 68.3580 | 68.9890 |
| U2-U3 | 45.1350 | 44.9100 | 47.3000 | 47.9000 |
| U2-U4 | 85.6030 | 84.9290 | 90.2270 | 91.0260 |
| U3-U4 | 60.8540 | 60.5380 | 120.5410 | 121.5150 |
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 | 60098.28962665 |
| 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 | 55.326 |
| HIERARCH ESO ISS PBL12 END | 55.159 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 99.701 |
| HIERARCH ESO ISS PBL13 END | 99.312 |
| HIERARCH ESO ISS PBLA13 START | 39.5 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 124.654 |
| HIERARCH ESO ISS PBL14 END | 123.744 |
| HIERARCH ESO ISS PBLA14 START | 68.358 |
| HIERARCH ESO ISS PBLA14 END | 68.989 |
| HIERARCH ESO ISS PBL23 START | 45.135 |
| HIERARCH ESO ISS PBL23 END | 44.91 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.9 |
| HIERARCH ESO ISS PBL24 START | 85.603 |
| HIERARCH ESO ISS PBL24 END | 84.929 |
| HIERARCH ESO ISS PBLA24 START | 90.227 |
| HIERARCH ESO ISS PBLA24 END | 91.026 |
| HIERARCH ESO ISS PBL34 START | 60.854 |
| HIERARCH ESO ISS PBL34 END | 60.538 |
| HIERARCH ESO ISS PBLA34 START | 120.541 |
| HIERARCH ESO ISS PBLA34 END | 121.515 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003368 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004633 |
| HIERARCH ESO ISS AMBI TEMP | 13.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |