Exposure
- ID
- GRAVI.2024-07-18T01:51:15.281_2
- Header ID
- GRAVI.2024-07-18T01:51:15.281
- Date updated
- 2024-07-18 08:10:38 UTC+0000
- Release date
- 2025-07-18 08:10:37 UTC+0000
- UTC Start
- 2024-07-18 01:51:15.281
- UTC End
- 2024-07-18 01:57:15.281
- MJD Start
- 60509.0772602
- MJD End
- 60509.081426866665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00539
- Ambient temperature (°C)
- 17.34
- Seeing (arcsec)
- 0.57
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- 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
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 56.5570 | 56.5600 | 20.1000 | 20.9000 |
| U1-U3 | 102.3790 | 102.4100 | 26.3000 | 27.1000 |
| U1-U4 | 129.1240 | 129.4360 | 53.8590 | 54.7470 |
| U2-U3 | 46.5540 | 46.5890 | 33.8000 | 34.7000 |
| U2-U4 | 87.9390 | 88.3040 | 74.8180 | 75.6690 |
| U3-U4 | 61.0160 | 61.3190 | 104.8690 | 105.5800 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.0772602 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 56.557 |
| HIERARCH ESO ISS PBL12 END | 56.56 |
| HIERARCH ESO ISS PBLA12 START | 20.1 |
| HIERARCH ESO ISS PBLA12 END | 20.9 |
| HIERARCH ESO ISS PBL13 START | 102.379 |
| HIERARCH ESO ISS PBL13 END | 102.41 |
| HIERARCH ESO ISS PBLA13 START | 26.3 |
| HIERARCH ESO ISS PBLA13 END | 27.1 |
| HIERARCH ESO ISS PBL14 START | 129.124 |
| HIERARCH ESO ISS PBL14 END | 129.436 |
| HIERARCH ESO ISS PBLA14 START | 53.859 |
| HIERARCH ESO ISS PBLA14 END | 54.747 |
| HIERARCH ESO ISS PBL23 START | 46.554 |
| HIERARCH ESO ISS PBL23 END | 46.589 |
| HIERARCH ESO ISS PBLA23 START | 33.8 |
| HIERARCH ESO ISS PBLA23 END | 34.7 |
| HIERARCH ESO ISS PBL24 START | 87.939 |
| HIERARCH ESO ISS PBL24 END | 88.304 |
| HIERARCH ESO ISS PBLA24 START | 74.818 |
| HIERARCH ESO ISS PBLA24 END | 75.669 |
| HIERARCH ESO ISS PBL34 START | 61.016 |
| HIERARCH ESO ISS PBL34 END | 61.319 |
| HIERARCH ESO ISS PBLA34 START | 104.869 |
| HIERARCH ESO ISS PBLA34 END | 105.58 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00539 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00539 |
| HIERARCH ESO ISS AMBI TEMP | 17.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |