Exposure
- ID
- GRAVI.2024-07-18T02:05:51.319_2
- Header ID
- GRAVI.2024-07-18T02:05:51.319
- Date updated
- 2024-07-18 08:45:42 UTC+0000
- Release date
- 2025-07-18 08:45:39 UTC+0000
- UTC Start
- 2024-07-18 02:05:51.319
- UTC End
- 2024-07-18 02:11:51.319
- MJD Start
- 60509.08739952
- MJD End
- 60509.09156618667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00539
- Ambient temperature (°C)
- 17.54
- Seeing (arcsec)
- 0.76
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 | 56.5560 | 56.5480 | 21.8000 | 22.6000 |
| U1-U3 | 102.4310 | 102.4330 | 28.1000 | 28.9000 |
| U1-U4 | 129.7550 | 129.9510 | 55.8310 | 56.6740 |
| U2-U3 | 46.6210 | 46.6360 | 35.7000 | 36.5000 |
| U2-U4 | 88.6890 | 88.9400 | 76.7160 | 77.5390 |
| U3-U4 | 61.6480 | 61.8690 | 106.4780 | 107.2010 |
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 | 60509.08739952 |
| 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 | 56.556 |
| HIERARCH ESO ISS PBL12 END | 56.548 |
| HIERARCH ESO ISS PBLA12 START | 21.8 |
| HIERARCH ESO ISS PBLA12 END | 22.6 |
| HIERARCH ESO ISS PBL13 START | 102.431 |
| HIERARCH ESO ISS PBL13 END | 102.433 |
| HIERARCH ESO ISS PBLA13 START | 28.1 |
| HIERARCH ESO ISS PBLA13 END | 28.9 |
| HIERARCH ESO ISS PBL14 START | 129.755 |
| HIERARCH ESO ISS PBL14 END | 129.951 |
| HIERARCH ESO ISS PBLA14 START | 55.831 |
| HIERARCH ESO ISS PBLA14 END | 56.674 |
| HIERARCH ESO ISS PBL23 START | 46.621 |
| HIERARCH ESO ISS PBL23 END | 46.636 |
| HIERARCH ESO ISS PBLA23 START | 35.7 |
| HIERARCH ESO ISS PBLA23 END | 36.5 |
| HIERARCH ESO ISS PBL24 START | 88.689 |
| HIERARCH ESO ISS PBL24 END | 88.94 |
| HIERARCH ESO ISS PBLA24 START | 76.716 |
| HIERARCH ESO ISS PBLA24 END | 77.539 |
| HIERARCH ESO ISS PBL34 START | 61.648 |
| HIERARCH ESO ISS PBL34 END | 61.869 |
| HIERARCH ESO ISS PBLA34 START | 106.478 |
| HIERARCH ESO ISS PBLA34 END | 107.201 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00539 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00539 |
| HIERARCH ESO ISS AMBI TEMP | 17.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |