Exposure
- ID
- GRAVI.2024-05-29T08:12:31.791_2
- Header ID
- GRAVI.2024-05-29T08:12:31.791
- Date updated
- 2024-05-29 08:25:30 UTC+0000
- Release date
- 2025-05-29 08:25:30 UTC+0000
- UTC Start
- 2024-05-29 08:12:31.791
- UTC End
- 2024-05-29 08:18:31.791
- MJD Start
- 60459.34203462
- MJD End
- 60459.3462012867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00545
- Ambient temperature (°C)
- 14.85
- Seeing (arcsec)
- 0.345
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 | 53.3350 | 53.0450 | 37.4000 | 37.7000 |
| U1-U3 | 95.0920 | 94.4250 | 43.6000 | 44.0000 |
| U1-U4 | 113.9200 | 112.3880 | 73.7570 | 74.3210 |
| U2-U3 | 42.4780 | 42.0960 | 51.5000 | 51.9000 |
| U2-U4 | 77.7200 | 76.6110 | 97.7810 | 98.6890 |
| U3-U4 | 57.2600 | 56.7810 | 130.1810 | 131.3840 |
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 | 60459.34203462 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416736 |
| DEC | -29.0074 |
| 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 | 53.335 |
| HIERARCH ESO ISS PBL12 END | 53.045 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 95.092 |
| HIERARCH ESO ISS PBL13 END | 94.425 |
| HIERARCH ESO ISS PBLA13 START | 43.6 |
| HIERARCH ESO ISS PBLA13 END | 44.0 |
| HIERARCH ESO ISS PBL14 START | 113.92 |
| HIERARCH ESO ISS PBL14 END | 112.388 |
| HIERARCH ESO ISS PBLA14 START | 73.757 |
| HIERARCH ESO ISS PBLA14 END | 74.321 |
| HIERARCH ESO ISS PBL23 START | 42.478 |
| HIERARCH ESO ISS PBL23 END | 42.096 |
| HIERARCH ESO ISS PBLA23 START | 51.5 |
| HIERARCH ESO ISS PBLA23 END | 51.9 |
| HIERARCH ESO ISS PBL24 START | 77.72 |
| HIERARCH ESO ISS PBL24 END | 76.611 |
| HIERARCH ESO ISS PBLA24 START | 97.781 |
| HIERARCH ESO ISS PBLA24 END | 98.689 |
| HIERARCH ESO ISS PBL34 START | 57.26 |
| HIERARCH ESO ISS PBL34 END | 56.781 |
| HIERARCH ESO ISS PBLA34 START | 130.181 |
| HIERARCH ESO ISS PBLA34 END | 131.384 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005078 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005822 |
| HIERARCH ESO ISS AMBI TEMP | 14.85 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |