Exposure
- ID
- GRAVI.2024-04-24T06:43:52.958_2
- Header ID
- GRAVI.2024-04-24T06:43:52.958
- Date updated
- 2024-04-24 07:00:31 UTC+0000
- Release date
- 2025-04-24 07:00:31 UTC+0000
- UTC Start
- 2024-04-24 06:43:52.958
- UTC End
- 2024-04-24 06:49:12.958
- MJD Start
- 60424.28047405
- MJD End
- 60424.2841777537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006068
- Ambient temperature (°C)
- 16.45
- Seeing (arcsec)
- 0.555
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 | 56.4680 | 56.4850 | 14.7000 | 15.5000 |
| U1-U3 | 101.9590 | 102.0330 | 20.7000 | 21.5000 |
| U1-U4 | 126.0820 | 126.5910 | 47.6800 | 48.5750 |
| U2-U3 | 46.1660 | 46.2320 | 27.9000 | 28.8000 |
| U2-U4 | 84.4900 | 85.0670 | 69.0050 | 69.8410 |
| U3-U4 | 58.2120 | 58.6820 | 100.4100 | 101.0120 |
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 | 60424.28047405 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416804 |
| DEC | -29.00734 |
| 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 | 56.468 |
| HIERARCH ESO ISS PBL12 END | 56.485 |
| HIERARCH ESO ISS PBLA12 START | 14.7 |
| HIERARCH ESO ISS PBLA12 END | 15.5 |
| HIERARCH ESO ISS PBL13 START | 101.959 |
| HIERARCH ESO ISS PBL13 END | 102.033 |
| HIERARCH ESO ISS PBLA13 START | 20.7 |
| HIERARCH ESO ISS PBLA13 END | 21.5 |
| HIERARCH ESO ISS PBL14 START | 126.082 |
| HIERARCH ESO ISS PBL14 END | 126.591 |
| HIERARCH ESO ISS PBLA14 START | 47.68 |
| HIERARCH ESO ISS PBLA14 END | 48.575 |
| HIERARCH ESO ISS PBL23 START | 46.166 |
| HIERARCH ESO ISS PBL23 END | 46.232 |
| HIERARCH ESO ISS PBLA23 START | 27.9 |
| HIERARCH ESO ISS PBLA23 END | 28.8 |
| HIERARCH ESO ISS PBL24 START | 84.49 |
| HIERARCH ESO ISS PBL24 END | 85.067 |
| HIERARCH ESO ISS PBLA24 START | 69.005 |
| HIERARCH ESO ISS PBLA24 END | 69.841 |
| HIERARCH ESO ISS PBL34 START | 58.212 |
| HIERARCH ESO ISS PBL34 END | 58.682 |
| HIERARCH ESO ISS PBLA34 START | 100.41 |
| HIERARCH ESO ISS PBLA34 END | 101.012 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006019 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006117 |
| HIERARCH ESO ISS AMBI TEMP | 16.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |