Exposure
- ID
- GRAVI.2024-04-24T09:24:29.367_2
- Header ID
- GRAVI.2024-04-24T09:24:29.367
- Date updated
- 2024-04-24 09:40:39 UTC+0000
- Release date
- 2025-04-24 09:40:39 UTC+0000
- UTC Start
- 2024-04-24 09:24:29.367
- UTC End
- 2024-04-24 09:29:49.367
- MJD Start
- 60424.39200656
- MJD End
- 60424.3957102637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008652
- Ambient temperature (°C)
- 15.98
- Seeing (arcsec)
- 0.445
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- 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 | 55.4880 | 55.3560 | 32.6000 | 33.1000 |
| U1-U3 | 100.0780 | 99.7710 | 39.0000 | 39.4000 |
| U1-U4 | 125.5340 | 124.8190 | 67.6880 | 68.2400 |
| U2-U3 | 45.3530 | 45.1760 | 46.8000 | 47.2000 |
| U2-U4 | 86.2540 | 85.7250 | 89.3960 | 90.0780 |
| U3-U4 | 61.1600 | 60.9120 | 119.5420 | 120.3610 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60424.39200656 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416969 |
| DEC | -29.0073 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.488 |
| HIERARCH ESO ISS PBL12 END | 55.356 |
| HIERARCH ESO ISS PBLA12 START | 32.6 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 100.078 |
| HIERARCH ESO ISS PBL13 END | 99.771 |
| HIERARCH ESO ISS PBLA13 START | 39.0 |
| HIERARCH ESO ISS PBLA13 END | 39.4 |
| HIERARCH ESO ISS PBL14 START | 125.534 |
| HIERARCH ESO ISS PBL14 END | 124.819 |
| HIERARCH ESO ISS PBLA14 START | 67.688 |
| HIERARCH ESO ISS PBLA14 END | 68.24 |
| HIERARCH ESO ISS PBL23 START | 45.353 |
| HIERARCH ESO ISS PBL23 END | 45.176 |
| HIERARCH ESO ISS PBLA23 START | 46.8 |
| HIERARCH ESO ISS PBLA23 END | 47.2 |
| HIERARCH ESO ISS PBL24 START | 86.254 |
| HIERARCH ESO ISS PBL24 END | 85.725 |
| HIERARCH ESO ISS PBLA24 START | 89.396 |
| HIERARCH ESO ISS PBLA24 END | 90.078 |
| HIERARCH ESO ISS PBL34 START | 61.16 |
| HIERARCH ESO ISS PBL34 END | 60.912 |
| HIERARCH ESO ISS PBLA34 START | 119.542 |
| HIERARCH ESO ISS PBLA34 END | 120.361 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008308 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008996 |
| HIERARCH ESO ISS AMBI TEMP | 15.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |