Exposure
- ID
- GRAVI.2024-05-31T06:36:46.422_2
- Header ID
- GRAVI.2024-05-31T06:36:46.422
- Date updated
- 2024-05-31 06:50:36 UTC+0000
- Release date
- 2025-05-31 06:50:36 UTC+0000
- UTC Start
- 2024-05-31 06:36:46.422
- UTC End
- 2024-05-31 06:42:46.422
- MJD Start
- 60461.27553729
- MJD End
- 60461.2797039567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006275
- Ambient temperature (°C)
- 15.99
- Seeing (arcsec)
- 0.545
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- 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 | 55.9220 | 55.8100 | 30.6000 | 31.2000 |
| U1-U3 | 101.0860 | 100.8270 | 37.0000 | 37.6000 |
| U1-U4 | 127.8530 | 127.2650 | 65.4320 | 66.0970 |
| U2-U3 | 45.9330 | 45.7850 | 44.8000 | 45.4000 |
| U2-U4 | 87.9510 | 87.5250 | 86.7230 | 87.4930 |
| U3-U4 | 61.9450 | 61.7510 | 116.4440 | 117.3190 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60461.27553729 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416605 |
| DEC | -29.0072 |
| 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 | 55.922 |
| HIERARCH ESO ISS PBL12 END | 55.81 |
| HIERARCH ESO ISS PBLA12 START | 30.6 |
| HIERARCH ESO ISS PBLA12 END | 31.2 |
| HIERARCH ESO ISS PBL13 START | 101.086 |
| HIERARCH ESO ISS PBL13 END | 100.827 |
| HIERARCH ESO ISS PBLA13 START | 37.0 |
| HIERARCH ESO ISS PBLA13 END | 37.6 |
| HIERARCH ESO ISS PBL14 START | 127.853 |
| HIERARCH ESO ISS PBL14 END | 127.265 |
| HIERARCH ESO ISS PBLA14 START | 65.432 |
| HIERARCH ESO ISS PBLA14 END | 66.097 |
| HIERARCH ESO ISS PBL23 START | 45.933 |
| HIERARCH ESO ISS PBL23 END | 45.785 |
| HIERARCH ESO ISS PBLA23 START | 44.8 |
| HIERARCH ESO ISS PBLA23 END | 45.4 |
| HIERARCH ESO ISS PBL24 START | 87.951 |
| HIERARCH ESO ISS PBL24 END | 87.525 |
| HIERARCH ESO ISS PBLA24 START | 86.723 |
| HIERARCH ESO ISS PBLA24 END | 87.493 |
| HIERARCH ESO ISS PBL34 START | 61.945 |
| HIERARCH ESO ISS PBL34 END | 61.751 |
| HIERARCH ESO ISS PBLA34 START | 116.444 |
| HIERARCH ESO ISS PBLA34 END | 117.319 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006255 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006295 |
| HIERARCH ESO ISS AMBI TEMP | 15.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |