Exposure
- ID
- GRAVI.2024-07-18T04:30:48.687_2
- Header ID
- GRAVI.2024-07-18T04:30:48.687
- Date updated
- 2024-07-18 08:50:34 UTC+0000
- Release date
- 2025-07-18 08:50:31 UTC+0000
- UTC Start
- 2024-07-18 04:30:48.687
- UTC End
- 2024-07-18 04:36:48.687
- MJD Start
- 60509.18806351
- MJD End
- 60509.19223017667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008823000000000001
- Ambient temperature (°C)
- 16.01
- Seeing (arcsec)
- 0.595
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 | 54.3250 | 54.0910 | 35.7000 | 36.2000 |
| U1-U3 | 97.3770 | 96.8360 | 42.1000 | 42.5000 |
| U1-U4 | 119.2190 | 117.9590 | 71.5150 | 72.0990 |
| U2-U3 | 43.7930 | 43.4810 | 49.9000 | 50.3000 |
| U2-U4 | 81.5880 | 80.6630 | 94.4270 | 95.2670 |
| U3-U4 | 58.9870 | 58.5670 | 125.7950 | 126.8810 |
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 | 60509.18806351 |
| 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 | 54.325 |
| HIERARCH ESO ISS PBL12 END | 54.091 |
| HIERARCH ESO ISS PBLA12 START | 35.7 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 97.377 |
| HIERARCH ESO ISS PBL13 END | 96.836 |
| HIERARCH ESO ISS PBLA13 START | 42.1 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 119.219 |
| HIERARCH ESO ISS PBL14 END | 117.959 |
| HIERARCH ESO ISS PBLA14 START | 71.515 |
| HIERARCH ESO ISS PBLA14 END | 72.099 |
| HIERARCH ESO ISS PBL23 START | 43.793 |
| HIERARCH ESO ISS PBL23 END | 43.481 |
| HIERARCH ESO ISS PBLA23 START | 49.9 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 81.588 |
| HIERARCH ESO ISS PBL24 END | 80.663 |
| HIERARCH ESO ISS PBLA24 START | 94.427 |
| HIERARCH ESO ISS PBLA24 END | 95.267 |
| HIERARCH ESO ISS PBL34 START | 58.987 |
| HIERARCH ESO ISS PBL34 END | 58.567 |
| HIERARCH ESO ISS PBLA34 START | 125.795 |
| HIERARCH ESO ISS PBLA34 END | 126.881 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009936 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00771 |
| HIERARCH ESO ISS AMBI TEMP | 16.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |