Exposure
- ID
- GRAVI.2024-06-26T05:31:17.117_2
- Header ID
- GRAVI.2024-06-26T05:31:17.117
- Date updated
- 2024-06-26 05:45:38 UTC+0000
- Release date
- 2025-06-26 05:45:38 UTC+0000
- UTC Start
- 2024-06-26 05:31:17.117
- UTC End
- 2024-06-26 05:37:17.117
- MJD Start
- 60487.23005922
- MJD End
- 60487.2342258867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0021405
- Ambient temperature (°C)
- 11.27
- Seeing (arcsec)
- 0.555
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 55.1300 | 54.9500 | 33.8000 | 34.3000 |
| U1-U3 | 99.2470 | 98.8280 | 40.1000 | 40.6000 |
| U1-U4 | 123.5920 | 122.6110 | 69.0880 | 69.7020 |
| U2-U3 | 44.8730 | 44.6310 | 48.0000 | 48.5000 |
| U2-U4 | 84.8170 | 84.0910 | 91.1540 | 91.9530 |
| U3-U4 | 60.4850 | 60.1450 | 121.6720 | 122.6600 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60487.23005922 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417093 |
| DEC | -29.00678 |
| 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 | 55.13 |
| HIERARCH ESO ISS PBL12 END | 54.95 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 99.247 |
| HIERARCH ESO ISS PBL13 END | 98.828 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 123.592 |
| HIERARCH ESO ISS PBL14 END | 122.611 |
| HIERARCH ESO ISS PBLA14 START | 69.088 |
| HIERARCH ESO ISS PBLA14 END | 69.702 |
| HIERARCH ESO ISS PBL23 START | 44.873 |
| HIERARCH ESO ISS PBL23 END | 44.631 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.5 |
| HIERARCH ESO ISS PBL24 START | 84.817 |
| HIERARCH ESO ISS PBL24 END | 84.091 |
| HIERARCH ESO ISS PBLA24 START | 91.154 |
| HIERARCH ESO ISS PBLA24 END | 91.953 |
| HIERARCH ESO ISS PBL34 START | 60.485 |
| HIERARCH ESO ISS PBL34 END | 60.145 |
| HIERARCH ESO ISS PBLA34 START | 121.672 |
| HIERARCH ESO ISS PBLA34 END | 122.66 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001782 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002499 |
| HIERARCH ESO ISS AMBI TEMP | 11.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |