Data for many of the targets were taken with the STIS and WFC3/IR instruments onboard HST from the following proposals:
12473: D. Sing (University of Exeter, UK) et al.;
12473: D. Sing (University of Exeter, UK) et al.;
12473: D. Deming (University of Maryland) et al.;
12473: M. Swain (JPL) et al.;
12181: P. McCullough (STScI) et al.

The science team comprises: D. Sing (University of Exeter, UK), J. Fortney (University of California, Santa Cruz), N. Nikolov, T. Kataria, and T. Evans (University of Exeter, UK), H. Wakeford (NASA/GSFC), S. Aigrain (University of Oxford, UK), G. Ballester (University of Arizona, Tucson), A. Burrows (Princeton University), D. Deming (University of Maryland, College Park), J.-M. Désert (University of Colorado, Boulder), N. Gibson (European Southern Observatory, Germany), G. Henry (Tennessee State University), C. Huitson (University of Colorado, Boulder), H. Knutson (California Institute of Technology), A. Lecavelier des Etangs (CNRS, Institut d'Astrophysique de Paris), F. Pont (University of Exeter, UK), A. Showman (University of Arizona, Tucson), A. Vidal-Madjar (CNRS, Institut d'Astrophysique de Paris), M. Williamson (Tennessee State University), and P. Wilson (CNRS, Institut d'Astrophysique de Paris).

TOP ROW (left to right):
Object Name: WASP-12b
RA: 06h 30m 33s
Dec: +29° 40' 20"
Constellation: Auriga
Distance: 871 light-years (267 parsecs)
Proposal ID/Instrument: 12473: STIS; 12230: WFC3

Object Name: WASP-6b
RA: 23h 12m 38s
Dec: -22° 40' 06"
Constellation: Aquarius
Distance: 1,000 light-years (300 parsecs)
Proposal ID/Instrument: 12473: STIS

Object Name: WASP-31b
RA: 11h 17m 45s
Dec: -19° 03' 17"
Constellation: Crater
Distance: 1,304 light-years (400 parsecs)
Proposal ID/Instrument: 12473: STIS; 12473: WFC3

Object Name: WASP-39b
RA: 14h 29m 18s
Dec: -03° 26' 40"
Constellation: Virgo
Distance: 230 light-years (80 parsecs)
Proposal ID/Instrument: 12473: STIS

Object Name: HD 189733b
RA: 20h 00m 44s
Dec: +22° 42' 39"
Constellation: Vulpecula
Distance: 63 light-years (20 parsecs)
Proposal ID/Instrument: 12881: WFC3

BOTTOM ROW (left to right):
Object Name: HAT-P-12b
RA: 13h 57m 43s
Dec: +43° 29' 37"
Constellation: Canes Venatici
Distance: 465 light-years (143 parsecs)
Proposal ID/Instrument: 12473: STIS

Object Name: WASP-17b
RA: 15h 59m 51s
Dec: -28° 03' 42"
Constellation: Scorpius
Distance: 1,000 light-years (300 parsecs)
Proposal ID/Instrument: 12473: STIS; 12181: WFC3

Object Name: WASP-19b
RA: 09h 53m 40s
Dec: -45° 39' 33"
Constellation: Vela
Distance: 815 light-years (250 parsecs)
Proposal ID/Instrument: 12473: STIS; 12181: WFC3

Object Name: HAT-P-1b
RA: 22h 57m 47s
Dec: +38° 40' 30"
Constellation: Lacerta
Distance: 453 light-years (139 parsecs)
Proposal ID/Instrument: 12473: STIS, ;12473: WFC3

Object Name: HD 209458b
RA: 22h 03m 11s
Dec: +18° 53' 04"
Constellation: Pegasus
Distance: 154 light-years (47 parsecs)
Proposal ID/Instrument: 12181: WFC3

Gratings/Grism: G430L and G750L, G141, and F132N

Illustration Credit: NASA and ESA;
Science Credit: NASA, ESA, and D. Sing (University of Exeter)